1. Physical Science

    Your weight is the force of (blank) acting on your body. gravity?

    asked by Mike on November 12, 2006
  2. Science

    A Statement : A boy pushes a shopping trolley (weight due 2 gravity of 150N) with a constant force of 75N . A constant frictional force of 20N is present 1, Draw a laballed force diagram n a free body diagram of all the forces acting on the trolley.

    asked by C ngomane on February 8, 2018
  3. Physical science

    A force t=312n up and incline is reward to keep a body at rest on a fritionless inclined plane which make an angle of 35degress with horizontal. Draw a force diagram and label all the force acting on a body. Calculate the magnitude of the force due to

    asked by Thulaganyo on February 24, 2015
  4. Physics

    A man of mass 82 kg is using crutches. the crutches make an angle of 26 degrees with the vertical. Half the person's weight is supported by the crutches. Assuming that the person is at rest, find the magnitude of the force supported by each crutch. the way

    asked by Hannah on September 27, 2009
  5. physics

    A man of mass 82 kg is using crutches. the crutches make an angle of 26 degrees with the vertical. Half the person's weight is supported by the crutches. Assuming that the person is at rest, find the magnitude of the force supported by each crutch. the way

    asked by Hannah on September 27, 2009
  6. mechanics

    (ii) Calculate the direction and magnitude of the joint force at the mid-point between the fourth and fifth lumbar vertebrae by considering the forces and moments acting on the lower body. Direction of joint force at midpoint between L4 and L5 = F =? ILB

    asked by kkuh on February 8, 2015
  7. Science ( Need help really bad Please!)

    An object's weight is dependent upon its location in the universe. Why is this true? A. This is true because weight is the magnitude of gravitational force acting on an object, and since gravitational force varies in different places in the universe,

    asked by Julie on February 13, 2014
  8. physical science

    The force of gravity acting on a body is 675 newtons. find the mass of the body to the nearest kilograms.

    asked by Anonymous on May 20, 2015
  9. physics

    Using the weight equation, weight = (mass)(strength of gravity field) or Fg = mg, calculate your mass in kilograms. Constants: Strength of the gravity field near the surface of the earth, g = 9.8 m/s2. 4.448 Newtons equals one pound of force. You can find

    asked by Maria on November 16, 2011
  10. Check my answers 6 ?s- Physics

    What is a free body diagram? (Points : 1) a drawing of an object in free fall a diagram showing all the forces acting on an object but not its surroundings

    asked by Gianna on November 19, 2013
  11. science. -_-

    Okk so im not asking for answers, i just need somone to expplain this homework to me! I don't get it what so ever. So the homework tittle is Weight in space. So it has a whole discripition in wjich i will write dpwn for you. The paper says: Gravity is an

    asked by Leslie:) on September 23, 2013
  12. Physics (Liquids)

    I have a question about fluids ok... I've been told that Pressure = (density of fluid) (gravity) (height) ok that's great in all but I don't see how it works... Pressure = (Force perinduclar to area force is acting on)/(Area force is acting on) ok this

    asked by Physics (Liquids) on October 21, 2009
  13. physics

    Hi i'm doing that lab were you attach a weight to a tape which is also through a timer that puts marks on the tape at a given time interval ok I'm asked why is gravity different than on Earth? I don't rember the physics answer behind it I remeber Fg =

    asked by physics on August 13, 2009
  14. scince

    When a body hanging from a spring balance is immersed in water it floats just below the surface of water and shows 100 g loss in its weight (i) What is the weight of the body in water? (ii) What is the weight of the body in air? (iii) What is the upthrust

    asked by upendra on November 29, 2015
  15. Physics (BioPhysics)

    You are bending your upper body forward, while your legs remain perfectly straight and their center of gravity remains over the back of your feet (see cartoon below). What is the maximum angle  you can lean forward by without tipping over? Assume that

    asked by Phillip on February 15, 2015
  16. biomechanics

    When a weight-lifter lifts a weight equal to his upper body weight his trunk makes an angle of 40 degrees, with the vertical, as shown in the diagram below. In this position the erector spinae muscles exert a large force on the sacrum at an angle of 40

    asked by dmkp on December 12, 2012
  17. physics

    A 5.0 kg book is sitting on a table. Which describes the force acting on the book a. there are no forces acting on the book b. the force of the table upward is greater than the force of gravity downward c. the net force on the book is zero d. kinetic

    asked by frank on February 26, 2010
  18. physics

    3) A 5.0 kg book is sitting on a table. Which describes the force acting on the book a. there are no forces acting on the book b. the force of the table upward is greater than the force of gravity downward c. the net force on the book is zero d. kinetic

    asked by amber on February 23, 2010
  19. PHYSICS PLEASE HELP!!!

    Please someone have mercy this is a test grade and I have no idea what to do ! A force of 200 N is being exerted on a blocki, which has a mass of 10 kg and is on 30 degrees inclined plane. The force is acting up the plane and parallel to it. The

    asked by Tyler on November 22, 2010
  20. physics (lVERY LONG)

    A force of 200 N is being exerted on a blocki, which has a mass of 10 kg and is on 30 degrees inclined plane. The force is acting up the plane and parallel to it. The coefficient of friction between the block and the plane is .3 and the plane is 12 m long.

    asked by rhet butler on November 22, 2010
  21. Physics

    Only two horizontal forces act on a 9.1 kg body. One force is 5.3 N, acting due east, and the other is 1.6 N, acting 56° north of west. What is the magnitude of the body's acceleration?

    asked by Ethan on January 30, 2011
  22. physical

    Only two horizontal forces act on a 3.0 kg body that can move over a frictionless floor. One force is 9.0 N, acting due east, and the other is 6.9 N, acting 54° north of west. What is the magnitude of the body's acceleration?

    asked by jindi on September 20, 2010
  23. biomechanics

    When a weight-lifter lifts a weight equal to his upper body weight his trunk makes an angle of 40 degrees, with the vertical, as shown in the diagram below. In this position the erector spinae muscles exert a large force on the sacrum at an angle of 40

    asked by dmkp on December 12, 2012
  24. physical

    a boy pushes a shopping trolley weight due to gravity of 150n with a constant force of 75n.a constant force of 20n is present.draw labeled force diagram to identify all the force acting on the shopping trolley.

    asked by bongani on February 25, 2015
  25. science and technology

    whn a body hanging frm a spring balance is immersed in water it floats in water just below the surface of water & shows 100g loss in its weight 1-wht is thw weight of body in water? 2-wht is thw weight of body in air 3-wht is upthrust on the body? 4-wht is

    asked by raman on January 8, 2016
  26. physics

    whn a body hanging frm a spring balance is immersed in water it floats in water just below the surface of water & shows 100g loss in its weight 1-wht is thw weight of body in water? 2-wht is thw weight of body in air 3-wht is upthrust on the body? 4-wht is

    asked by Riya sood on September 17, 2015
  27. science

    When a body hanging form a spring balance is immersed in water it floats just below the surface of water and shows 100 g loss in its water ? (1) what is the weight of the body in water? (2) what is the weight of the body in air? (3) what is the upthrust on

    asked by parag on July 20, 2016
  28. Science

    The force of gravity acting on a car driving on the surface of a planet is called Mass Terminal velocity Weight*** Free fall

    asked by Felicia Graves on October 25, 2016
  29. physics

    if a force of 15N acts on a body in the direction of north and another force of 10N in south what is the resultant force acting on the body

    asked by preeti on June 1, 2011
  30. physics

    Consider a 1kg mass at rest at the equator.Because of the earths rotation , the mass experiences a centripetal acceleration. a)Draw free body diagram of mass b)Find centripetal force acting in the mass c)Compare apparent weight and true weight d)what

    asked by Sandra on February 24, 2011
  31. Physics

    In this problem, use g = 9.80 m/s2. Bizarro, located at Six Flags New England, in Agawam, MA, is the name of one of the top-rated roller coasters in the country. The first drop on the roller coaster brings you down 67 meters. There are some resistive

    asked by Jeanne on October 30, 2011
  32. Math

    For one pony, thecritical force was 1.16 times its body weight. It experienced a force of 0.75 times its body weight at a speed of 2 meters per second, and a force of 0.93 times its body weight at 3 meters per second. At what speed did the pony switch from

    asked by Aryan on January 26, 2012
  33. Physics/Math

    A 2.8 kg body is at rest on a frictionless horizontal air track when a horizontal force F acting in the positive direction of an x axis along the track is applied to the body. The force F is applied to the body at t = 0, and the graph records the position

    asked by Technoboi11 on March 5, 2007
  34. Science (Balanced/Unbalanced Forces)

    "Toy Car A" is propelled by elastic force. The other forces acting on the car are gravity (pulling the car down) and friction force (between the car and the floor). What UNBALANCED forces are acting on the car? "Toy Car B" is propelled by air resistance.

    asked by Alexandra on December 19, 2013
  35. Science (Help, please!)

    "Toy Car A" is propelled by elastic force. The other forces acting on the car are gravity (pulling the car down) and friction force (between the car and the floor). What UNBALANCED forces are acting on the car? "Toy Car B" is propelled by air resistance.

    asked by Alexandra on December 19, 2013
  36. 11th grade Physics

    Consider a situation in which your car, when coasting down a straight downhill road, acquires a constant velocity. In this situation: a. gravity is the only force on the car b. friction is the only force acting on the car c. the net force acting on the car

    asked by Krys on November 5, 2010
  37. chemistry

    A steel block has a volume of 0.08 m and a density of 7,840 kg/m. What is the force of gravity acting on the block ( the weight ) in water?

    asked by Anonymous on August 13, 2011
  38. MATH

    How can solve this? help For one pony, the critical force was 1.16 times its body weight. It experienced a force of 0.75 times its body weight at a speed of 2 meters per second, and a force of 0.93 times its body weight at 3 meters per second. At what

    asked by aryan on January 28, 2012
  39. science

    A steel block has a volume of 0.08m3 and a density of 7,840kg/m3 what is the force of gravity acting on the block(the weight in water?

    asked by Anonymous on January 30, 2014
  40. Physics

    A 2.9 kg body is at rest on a frictionless horizontal air track when a horizontal force F acting in the positive direction of an x axis along the track is applied to the body. A stroboscopic graph of the position of the body as it slides to the right is

    asked by Dave on July 22, 2010
  41. physics

    A firefighter of mass 120 kg slides down a vertical pole with an acceleration of 4 m/s per second. What is the friction force that acts on the firefighters? In this case, the friction force is the force that is acting against gravity. Use F=M*a If

    asked by kelly on September 20, 2006
  42. Physics

    When I asked my teacher for help he told me this This is a logical puzzle. Having 75% of the typical weight means experiencing 75% of the typical gravity. The floor must be falling away with an acceleration of 25% of typical gravity. Here's the question I

    asked by Physics on July 10, 2009
  43. physics

    A 10-KG block is pulled along a rough horizontal floor by a 12-N force acting at a 30 degrees angle with respect to the horizontal. The block accelerates at 0.1 m/s2. Calculate A....... the weight of the block B...... the force of friction acting on the

    asked by Bolo on October 8, 2010
  44. Physics

    A 10-KG block is pulled along a rough horizontal floor by a 12-N force acting at a 30 degrees angle with respect to the horizontal. The block accelerates at 0.1 m/s2. Calculate A....... the weight of the block B...... the force of friction acting on the

    asked by Esthere G on October 9, 2010
  45. physics

    A 10-KG block is pulled along a rough horizontal floor by a 12-N force acting at a 30 degrees angle with respect to the horizontal. The block accelerates at 0.1 m/s2. Calculate A....... the weight of the block B...... the force of friction acting on the

    asked by Bolo on October 9, 2010
  46. physics

    a force of 4 N acts on a body of mass 2 kg for 4 sec . assuming the body to be initialy at rest . find the distance covered in 10sec after force start acting

    asked by Anonymous on July 8, 2011
  47. Mechanics

    A force of 25N causes an acceleration of 2m/s^2 when acting on a 7kg mass. What is the frictional force also acting? If body is moving then frictional force is at its maximum. acceleration in direction of friction is -2 M=7. a=-2 F= frictional force

    asked by Janine on February 4, 2007
  48. Algebra 2

    Introduction to quadratic equations? If you solve the equation by completing the square, fill in the blanks. 9x^2+9x+4=0 x^2+x+blank=-4/9+blank

    asked by Chelsea:) on April 24, 2012
  49. help

    Introduction to quadratic equations? If you solve the equation by completing the square, fill in the blanks. 9x^2+9x+4=0 x^2+x+blank=-4/9+blank

    asked by Chelsea:) on April 20, 2012
  50. Physics

    A mass is hanging on the end of a spring and oscillating up and down. There are three forces acting on the mass, the force of the spring, the force of gravity, and the force of air resistance. Which of these forces can be associated with potential energy

    asked by Ramsey on June 3, 2011
  51. Physics

    A body of mass 2kg is placed on a rough inclined plane ,whose angle of inclination is 30°. Find the force acting down the slope and the acceleration if a frictional force of 5N acts between the body and the surface?

    asked by Oviedo Santos on May 31, 2019
  52. science & technology

    when a body immersed in water from spring balance and shows 100gm weight loss. what is the weight of the body in water? 2)what is the weight of the body in air? 3)what is the upthurst on the body? 4) what is the volume of the body? give reason

    asked by devtanu on January 27, 2016
  53. Science

    A body weight 500 N in air and weight of displace water is 300N then find apparent loss in the weight of body. The upthrust on body. The volume of the body

    asked by kartik on October 31, 2015
  54. Physics

    A chain composed of four identical links is suspended by a rope and does not move. How many force vectors would be drawn on the free body diagram of each link and which direction would they point? My answer: ---------- FIRST LINK (top): Upward force from

    asked by Stanley on September 21, 2010
  55. AP Physics

    While two forces act on it, a particle is to move at the constant velocity v = (3 m/s) i - (4 m/s) j. One of the forces is F1 = (2 N) i + (- 6 N) j. What is the other force? ( _____ N) i + ( _____ N) j Only two horizontal forces act on a 3.0 kg body that

    asked by J on November 13, 2008
  56. physics

    A car is rounding a circular curve of radius r on a banked turn. As the drawing indicates, there are two forces acting on the car, its weight mg and the normal force FN exerted on it by the road. Which force, or force component, provides the centripetal

    asked by sal64 on June 1, 2014
  57. physics (work posted)

    For a body to be in equilibrium under the combined action of several forces. a) all the forces must be applied at the same point b) all of the forces form pairs of equal and opposite forces c) the sum of the components of all the forces in any direction

    asked by Diane on December 10, 2006
  58. physics

    When a body hanging from a spring balance is immersed in water it floats just below the surface of water and shows 100g loss in its weight (I) what is the weight of the body in water? (Ii) what is the weight of the body in air? (Iii) what is the up thrust

    asked by farheen fathima on December 6, 2015
  59. Physics

    Consider a coin which is tossed straight up into the air. After it is released it moves upward, reaches its highest point and falls back down again. Air resistance can be neglected. What force acts upon the coin when it is at its highest point? a. Force

    asked by Laura on June 30, 2013
  60. Physics

    Which is the strongest fundamental force acting between microscopic particles? A. Strong force B. Weak force C. Gravity D. Electromagnetic Force I think it's either A or D, but I'm not sure which.

    asked by Jess on May 1, 2009
  61. physics question

    I have a question about a problem regarding Newton's third law. a. An iron rod is held up by a magnet. The magnet is held up by a string (from a ceiling, let's say). Draw a free-body diagram for the magnet and a separate free-body diagram for the iron rod.

    asked by Kim on November 21, 2006
  62. Physics

    Galileo’s law of falling bodies states that the rate of fall caused by gravity is the same for all objects, regardless of weight. This means that all objects have a free-falling acceleration of 9.8m/s2. However, a significant contradiction of this theory

    asked by Aurora on June 25, 2015
  63. science

    A 30 N crate is submerged in water. The amount of buoyant force acting on the crate is 25 N. What will the crate do? The crate will float and accelerate upwards. The only force acting on the crate is the buoyant force, and it acts upwards on the crate. The

    asked by dianni on January 8, 2019
  64. Vocabulary

    WORD BANK SCROUNGING,EAVESDROPPING,WISTFULLY,EXCITABLE,ACQUAINTANCE,SYMPATHETICALLY 1.I LOOK SAD OR LONGING WAY. I'M LOOKING *Blank* 2.i overhear what you'r saying. Am i *BLANK* 3.it's easy 2 make me act wild. I'm *BLANK* 4.I SEARCH THROUGH SOMEONES JUNK.

    asked by BabyGirl555 on December 13, 2006
  65. physics

    A 56.0 ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 2.00 turns each second. The distance from one hand to the other is 1.5 . Biometric measurements indicate that each hand typically makes up about

    asked by steph on November 8, 2010
  66. L.A.-Check Answer

    According to "Life Without Gravity" why can astronauts' muscles become weak? a. Without gravity, the blood is rerouted from the legs to the head. b. Without gravity, the body "grows" as much as several inches. c. Without gravity, eating is difficult, so

    asked by Dani on October 12, 2016
  67. science

    a 10 N force pushes a body northward while a 15 N force acting at the same point of the body pushes it southward. Find equilbrant of these two forces. do I add or subtract? what about direction

    asked by anonymous on January 9, 2011
  68. physics (vector)

    the force f1 and f2 are acting on a body one force is double that of the other force and the resultant is equal to the greater force.then the angle between two forceis what. How?

    asked by shwet on June 6, 2011
  69. Physics

    A .5kg ball hangs on a string attached to the ceiling. If the string is cut what forces act on the ball as it falls? Ignoring air resistance. Weight is one of the forces acting on the ball. Is there another force acting on the ball? I know there isn't

    asked by Tammy on October 3, 2007
  70. Physics

    A 42-kg box slides down a frictionless inclined plane. The angle of the inclined plane is 34.0 degrees. The distance from the box to the bottom of the inclined plane is 3 m. Draw the free body diagram of the force vectors acting on the box. Determine: a.

    asked by Anonymous on November 29, 2016
  71. Lang. Arts

    Rewrite using commas. The weight of the rider is one force and gravity is another. I wrote... The weight of the rider is one force, and gravity is another.

    asked by Cassie on February 19, 2013
  72. Physics

    Consider a coin which is tossed straight up into the air. After it is released it moves upward, reaches its highest point and falls back down again. Air resistance can be neglected. What force acts upon the coin while it moves upward after it is released?

    asked by Jill on June 30, 2013
  73. motion and force

    Consider a ball after it is thrown and going upward. The force on the ball is a). the force of gravity or b). some values between the force of gravity and the force of throw. What is the acceleration and what is the values of the acceleration. Explain your

    asked by PJ on January 27, 2007
  74. Physics

    Starting from rest, a 4.0-kg body reaches a speed of 8.0 m/s in 2.0 s. What is the net force acting on the body?

    asked by Emily on January 25, 2012
  75. Physics

    Starting from rest, a 4.0-kg body reaches a speed of 8.0 m/s in 2.0 s. What is the net force acting on the body?

    asked by Emily on January 25, 2012
  76. College Physics

    The only force acting on a 3.9 kg body as it moves along the positive x axis has an x component Fx = - 6x N, where x is in meters. The velocity of the body at x = 3.0 m is 8.0 m/s. (a) What is the velocity of the body at x = 4.0 m? (b) At what positive

    asked by Jeff on October 25, 2009
  77. math

    If an incompressible fluid rotates like a rigid body with an angular velocity, θ ˆ q = ωR , about a vertical zaxis and gravity, g, is the only external force acting, prove that, a) −∇gz −   ∇p = ∇   ωR − 2ωRR. b) The pressure

    asked by paul gokool on October 12, 2011
  78. Science

    1. Blank is anything that has mass and volume. 2. Blank is how strongly gravity pulls on an object. 3. Blank measures how much space matter takes up.

    asked by Anonymous on February 25, 2020
  79. Physics

    What causes the restoring force in a simple pendulum? A. friction between the thread and the support B. the force exerted on the pendulum bob while displacing it from the mean position C. the component of the weight of the bob acting perpendicular to the

    asked by Rachel on May 25, 2010
  80. Science

    Two crates are submerged under water. The crates are identical in size, but Crate A is filled with iron and Crate B has only air inside. Which crate has a greater buoyant force acting on it? 1) Crate A has a greater buoyant force acting on it because it is

    asked by Klauus on April 12, 2019
  81. math

    body of mass 7 kg moves in a (counterclockwise) circular path of radius 4 meters, making one revolution every 13 seconds. You may assume the circle is in the xy-plane, and so you may ignore the third component. how do you find the centripetal force acting

    asked by alice on February 18, 2009
  82. Physics

    determine the distance from earths centre where the force of gravity acting on a space probe is only 11% of the force acting on the same probe at earths surface. Express your answer in terms of earths radius, rE

    asked by Bobbie on October 14, 2008
  83. physics

    A body is in equilibrium under the action of three force..one force is 4.0N acting due east and one is 5.0N in direction, 60°NE.calculate the magnitude of the third force.

    asked by farima on November 5, 2016
  84. Physics

    A 4700 kg vehicle on a level surface experiences a force applied due to the engine of 3700 N forward. If the force of friction acting on the vehicle is 189 N backward: Determine the values of the other forces acting on the vehicle. Draw a free body diagram

    asked by Tim on March 20, 2014
  85. Physic

    A force of 7000N is applied to drag a 500 kg cow across a flat level floor to McSlaughter House. The cow has an acceleration of 2.5 m/s2. (a) what's the weight of the cow? (b) what is the normal force acting on the cow? (c) What is the resultant force that

    asked by Elaine on March 3, 2017
  86. Physics-forces

    1. NASA launched a 550kg satellite into space. Its engines have a thrust of 8000N. a) What is the downward froce of gravity acting on the rocket at blast off? (is it 5390N?) b) What is the acceleration of the rocket at blast-off? (Hint: Fine Fnet first) 2.

    asked by Diane on January 20, 2014
  87. Physics

    A 4700 kg truck on a level surface experiences a force applied due to the engine of 3700 N forward. If the force of friction acting on the truck is 189 N backward: a) Determine the values of the other forces acting on the truck. b) Draw a free body diagram

    asked by Naz on March 10, 2017
  88. Physics

    Hello I have an assignment to do about the force table. I'm not sure about my answers, hope someone could check it for me if I answered correctly. 1.What kind of forces do you use on the force table? Explain about the used forces. Resultant force,

    asked by Aransaja on November 22, 2010
  89. Science

    While Carmen is at the park with her family, she walks up to a wishing well. She throws a penny down the well, and she hears a splash at the bottom. Which of the following best describes what happens as the penny falls? A)The force of gravity is equal to

    asked by Mary Helpppppp on March 27, 2012
  90. Science

    While Carmen is at the park with her family, she walks up to a wishing well. She throws a penny down the well, and she hears a splash at the bottom. Which of the following best describes what happens as the penny falls? A)The force of gravity is equal to

    asked by URGENT - HELP ME on March 27, 2012
  91. Physics

    I have tried to solve this problem in multiple ways, but i keep getting it wrong please help A 48.0 {\rm kg} ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 1.50 turns each second. The distance from

    asked by Mark on March 3, 2008
  92. Physics

    An object with a mass of 3.09x10^0 kg is subjected to a force of 8.8505x10^2 N directed at an angle of 1.6968x10^2 degrees from the x axis. A second force of 2.98725x10^3 N acting in the negative Y directions is also applied to the object. To two

    asked by peter on October 18, 2010
  93. Physic, maths, chemistry, biology

    A body of mass 0.1kg is moving on circular path of diameter 1m at the rate of 10 revolution per 31.4sec, then then centripetal force acting on body is A) 0.2N B) 0.4N C)2N D) 4N

    asked by Sahil on November 12, 2017
  94. science

    Couple of questions. Why does the earth keep moving? The engine of a rocket applies a continual force to push the rocket along. When the engine stops what will happen? I think the rocket will stop acceleration You need to be aware of the concept of

    asked by Kim on May 8, 2007
  95. physics

    A bowling ball with a mass of 4.5 kg travels at a velocity of 37 m/s for 2.5 s until it is stopped at the end of the lane by the ball return. What additional information is required to determine the weight of the bowling ball? A. the amount of friction

    asked by Anonymous on January 30, 2015
  96. Physics

    A body of mass m falls from rest through the air. A drag force D = bv^2 opposes the the motion of the body. The acceleration due to gravity is g. A) What is the initial downward acceleration of the body? B) After some time the speed of the body approaches

    asked by Lauren on February 6, 2016
  97. physics

    A box is resting on a table frictionless). Determine the weight of the box and the normal force acting on it. (a) If the box was pushed down, with a force of 40N, determine again the normal force acting on the box. (b) If the box was pulled up with a force

    asked by Ruby on July 22, 2008
  98. physics

    1. There are three forces acting on an object, a 30N force pulling right, a 50N force pushing right, and 30N frictional force pushing left. a. What is the force of gravity on this 15kg object? b. If the object is on the ground what is the normal force

    asked by molly on June 21, 2011
  99. statics

    A1 Helicopter in flight with unbalanced stores A helicopter in forward flight is shown in Figure 1. The helicopter in forward flight experiences a horizontal drag force DF  . The drag force DF  is assumed to pass through O. The helicopter is held up

    asked by Erika on February 2, 2015
  100. Physics

    The sun has a mass of 1.99x10 30 kg the earth has a mass of 5.98x10 24 kg and is 1.496x10 11 m from the sun a) Calculate the force of gravity acting on the eaarth by the sun b) CAlculate the force of gravity acting on the sun by the earth

    asked by Isis on January 8, 2013