friction always ________________ an object _______________= what

16,225 results
  1. physic

    An object of mass m is at rest at the top of a smooth slope of height h and length L. The coefficient of kinetic friction between the object and the surface, μk, is small enough that the object will slide down the slope if given a very small push to get

  2. Spanish

    Complete the sentences with the correct form of the adjective in parenthesis: 1. Las rebajas en __________________ (estas) almacén son buenísimas. 2. Me quiero comprar ______________ (ese) zapatos porque están muy bonitos. 3. Voy a usar

  3. CHEMISTRY

    Use the solubility rules to predict whether the following substances are soluble or insoluble in water: a) K2CrO4 _______________ b) NiSO4 _______________ c) Cu(OH)2 ______________ d) Pb(C2H3O2)2 __________ e) Ag2CO3 _______________ f) Al2S3

  4. Social Studies

    1. Hotels, restaurants, shops, public restrooms and drinking fountains are all examples of ________________. 2. __________________ describes the mixing of different races through marriage and family, and was illegal in many states. 3. State and local

  5. French 3

    1. créez six phrases a l'aide éléments des trois colonnes. Ajoutez tous les autres éléments nécessaires. A. agent de police chauffeur de taxi citoyens colocataire conducteur maire passagers piéton __B.________________ améliorer construire descendre

  6. Physics

    A 5kg object placed on a friction-less, horizontal table connected to a string that passes over a pulley and then is fastened to a hanging 9kg object. (A) Draw a free body diagram of both the objects. (B) The Coefficient of kinetic friction between the

  7. Physics

    A 12.0 kg object is on a surface that is inclined 30 degrees and the coefficient of friction is 0.65. Determine the force of static friction if the block remains stationary.

  8. physics

    a 2.0kg object is pulled horizontally by a force of 6.3N along the floor where the coefficient of kinetic friction is o.24. what is the object acceleration

  9. Math

    Perform the indicated operations. Reduce the answers to lowest terms.... 1.) 7 3/5 + 2 4/7 = _______________ 2.) 8 5/9 + 15 5/6 =________________ 3.) 14 5/10 + 8 3/5 = ________________ 4.) 5/6 x 3/4 = _____________________ Reduce each fraction to lowest

  10. physic

    A stationary 2.0 kg object is located on a table near the surface of the earth. The coefficient static friction between the surface is .80 and the coefficient of the kinetic friction is 0.65. A horizontal force of 5N is applied to the object. Determine the

  11. physics

    A popular pastime is to see who can push an object closest to the edge of a table without its going over. You push a 130 g object and release it 2.00 m from the table edge. Unfortunately, you push a little too hard. The object slides across, sails off the

  12. science

    friction always ________________ an object _______________= what

  13. physics

    a force of 200 N is exerted at an angle 30 degrees with respect to the horizontal on an object whose mass is 30kg. the coefficient of friction between the object and the surface is the 0.2.(a)what is the frictional force?(B) what is the acceleration of the

  14. physics

    An object of mass 10.0 kg is released from the top of an inclined plane which makes an angle of inclination of 30 degrees with the horizontal. The object slides along the inclined plane. The questions refer to the instant when the object has traveled

  15. physics

    An object glides on a horizontal tabletop with a coefficient of kinetic friction of 0.55. If its initial velocity is 4.1 m/s, how long does it take for the object to come to rest?

  16. Frequency Table

    How do I estimate the mean and estimate the median of this table? |Amount| _____________ 0-8 8-16 16-24 ______________ |Frequency| ______________ 18 15 16 _______________ |Amount| _______________ 24-32 32-40 40-48 _______________ |Frequency|

  17. physics

    A 1.0 kg object is given a push along a horizontal surface. If the velocity of the object when it is released is 0.50 m/s west, and the object slides 0.25m before coming to a stop, what is the magnitude of the force of friction?

  18. Science

    When (blank) forces act on an object, they cause the object to move. A. Balanced B. Unbalanced C. Friction D. Net Is the answer B?

  19. SCIENCE CALCULATIONS

    A moving object with a mass of 20 kg increases its' acceleration. According to Newton's Second Law, how can an object with the same mass increase its' acceleration? By increasing the amount of friction on the object. By decreasing the net force exerted on

  20. Science

    The gravitational force of any object near Earth is _____? A unknown B friction C Newton's First Law D 9,8m/s2 When you walk across a bridge, the _____ force of the bridge keeps it from breaking. A gravitational B normal C strong D weak A (n)

  21. physics

    two masses are attached to both ends of a flexible cord passing through a friction less pulley. if the system is at rest, find the tensions at object A and object B. Object A = Object B. A=60 grams.

  22. physic

    A stationary 2.0 kg object is located on a table near the surface of the earth. The coefficient static friction between the surface is .80 and the coefficient of the kinetic friction is 0.65. A horizontal force of 5N is applied to the object. Determine the

  23. physics - i need A.S.A.P

    An object of mass 1.5 kg is placed on a rough horizontal surface, as shown in Figure 1. Force F acts on the object. When the magnitude of F is 10 N, the object just begins to slide. Determine the coefficient of static friction between the object and the

  24. PHYSICS

    Two objects are connected by a massless string as shown in the figure below. The pulley is massless and rotates without friction. The object of mass m = 1.7 kg slides without friction on an inclined plane which makes an angle of è = 38° with the

  25. Science

    A 0.2 kg object is released from rest at point A on a track that is one-quarter of a circle with radius 1.6 m, as shown in the figure. It slides down and reaches point B with a speed of 4.8 m/s. Then it slides on a level surface a distance of 3 m until it

  26. Chemistry

    S2O82-(aq) + 2I-(aq) ----------> 2SO42-(aq) + I2(aq) (I) Rate = k [S2O82-]x [I-]y Rate1 = k [S2O82-]x [I-]y ƒ´ [S2O82ƒ{] Rate = ƒ{ƒn ------------- ƒ´ƒnt Experiment data Experiment: 0.20M NaI,0.20M NaCl, 0.010M Na2S2O3,2% Starch,0.20M K2SO4, 0.20 M

  27. The Effects of Force

    Question #1: A basketball momentarily changes shape as it bounces off the floor. This is due to balanced forces acting on the ball. a. true b. false According to what I have studied when balanced forces are on an object, that object doesn't move, but when

  28. science

    when blank forces act on an object they cause the object to move a.balanced b.unbalanced c.friction. d.net I think it is b. but I just whan't to make sure and if it is not can you help me

  29. Physics

    If you try to push an object that is 10 times heavier than you would there be static or kinetic friction? ( the heavy object doesn't move if even you use force) -I know that there is no kinetic friction because the object is not moving. I am not sure about

  30. Physics

    A force is applied to a 22.5 kg object causing it to move at a constant velocity of 4.2 m/s with a coefficient of friction of 0.44. Suddenly, the applied force is removed, causing friction to be the only force acting on the object. How long will it take

  31. Math

    The traditional method of determining the human age equivalent of a dog is to multiply its age by 7 years. The method we used in this project was to use equations based on scientific data to determine the human age of dogs. In my opinion, the

  32. 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

  33. physics

    An object in static equilibrium has a coefficient of static friction as 0.110. If the normal force acting on the object is 95.0 newtons, what is the mass of the object?

  34. Physics

    A 12.0 kg object is on a surface that is inclined 30 degrees and the coefficient of friction is 0.65. Determine the force of static friction if the block remains stationary.

  35. Science

    When an unbalanced force acts on an object the motion of the objects changes. Sometimes the object continues to move at the same speed. When that happens, what is it that changes? a)direction; b)friction; c)mass; d)weight

  36. Science

    When an unbalanced force acts on an object the motion of the objects changes. Sometimes the object continues to move at the same speed. When that happens, what is it that changes? a)direction; b)friction; c)mass; d)weight

  37. Science

    Hi, Could someone help me with this science homework? Symbiotic Relationships in the Baltimore Checkerspot Butterfly's Habitat Under this it has 2 titles: 1. Organisms _______________ _______________ _______________ _______________ 2. Type of symbiosis

  38. Math?

    Hola i need help with this problem I got all confused with the letters A,B,C,D and E are 5 numbers. The average of A,B,C, and E is 27. The average of B,C and D is 23. The average of B,C,D and E is 29. What is the average of these 5 numbers?

  39. Math

    Can someone please walk me through this problem? The function f is defined by the following rule, f(x) = (1/4)^x Find f(x) for each of these five values x | f(x) _ | _______________| -2 |_______________| -1 |_______________| 0 |_______________| 1

  40. Physics

    reword each statement about friction to make it true. For very small objects, the friction from the object to the surface is less than the friction from the surface to the object. If the mass of an object increases, the kinetic friction on the object will

  41. social studies

    the earliest Anasazi got their food by ________________ and _______________. Please help!

  42. MATH

    Through how many degrees does the minute hand move... 1. From 10:00 to 11:00?_______________ 2. From 4:00 to 4:30?_______________ 3. From 6:00 to 6:15?_______________ 4. From 9:00 to 9:05?_______________ 5. From 3:00 to 3:01?_______________ Please Help!!

  43. Math (PLEASE HELP!!)

    Through how many degrees does the minute hand move... 1. From 10:00 to 11:00?_______________ 2. From 4:00 to 4:30?_______________ 3. From 6:00 to 6:15?_______________ 4. From 9:00 to 9:05?_______________ 5. From 3:00 to 3:01?_______________ Please Help!!

  44. Government

    effects, unusual, speedy, soldiers, place, persons, houses, eighteen, twice, searched, searches, gender, arms, color, property, slavery, race, persons, witness, offense, public, speech, cruel, laws, protection, petition, himself, public, seizures, papers,

  45. science

    Words to use: Accelerate - Sliding - Brake - Friction - Slipping - Inertia Velocity - Wheel - Strength - Static - Terminal velocity Questions 1. An object will ____?____ when the net force is not zero. 2. ____?____ will never speed up an object. 3. The

  46. 3rd math

    write the fact family for 2,11,and 9 ______________? ______________? _______________? ________________? I don,t understand of rule -.25 in $1.25 out $1.oo in $0.30 out $0.05 in $___ ? out $0.75 in 2.40 out _____? please help me!!

  47. science

    ________________, the way that most plants and animals reproduce typically requires two parents. _______________ requires only one parent. I'm stuck, can you help me to figure out these two questions. Thanks in advance.

  48. Physics

    A 100-kg object rests on a level surface with a coefficient of friction (both kinetic and static) of 0.40. If the initial velocity is 15m/s and the object comes to rest, (a) how much friction is acting on the object? (b) What is the objects 's acceleration

  49. Physics

    Whenever you push an object across a frictional surface, it starts out taking a lot of force to push to get the object moving. However, once the object starts moving, it is much easier to keep it moving. What does this tell you about one of the main

  50. Physics

    An object rests on an inclined surface thanks to the presence of static friction forces between the object and the surface. The magnitude of the friction force that prevents the object from sliding is found to be 30 N. Now, the angle that the surface makes

  51. Math

    Write an algebraic expression for each of the following verbal phrases. _______________ 6) eleven times the sum of twelve and five times x _______________ 9) the product of eight and x increased by fifteen _______________ 10) four less than the quotient of

  52. Phyics

    If a 68kg object is being pulled across the hard floor with a horizontal force of 400N... a. What would the acceleration of the object be if it was on a frictionless floor? b. if there were friction, what would the force of friction be if it was pulled at

  53. Math

    In a bag M&M's, the probability of choosing a yellow m&m is 1/5. In a bag of skittles, the probability of choosing red is 1/4. What is the probability of choosing a yellow m&m and a red skittle?? Number of events:________________

  54. PHYSICS

    An object is placed on an incline with friction. The incline is slowly raised from a zero degrees and at 29.2 degrees, the object begins to slide down the incline. The incline is then raised to 40.5 degrees and the object is placed back on the incline. The

  55. Physics

    An object rests on an inclined surface thanks to the presence of static friction forces between the object and the surface. The magnitude of the friction force that prevents the object from sliding is found to be 30 N. Now, the angle that the surface makes

  56. Physics (simple stuff)

    . Does the force of friction depend on the area of the sliding surface? What is larger, static friction or sliding friction when an object is stationary? Why sand is placed on icy streets and sidewalks? )something to do with friction) how could you reduce

  57. Me again! - Science (Friction and Weight)

    Okay. I have a test coming up soon, and I was wondering how to explain Weight and Friction. Mass is the stuff inside an object, so what is weight? And how do you describe friction? Thanks for reading, hope you can help. Weight is the attraction of an

  58. physics

    How can I find kinetic friction (Fk) without mu? I know the normal force which is 201N. The mass of the object is 30kg. This is the full questions of it helps. I just don't understand how to find kinetic friction 1. If a 30kg object experiences a normal

  59. Pre-Ap biology

    After an organism is gully grown, cell division continues to function in renewal and repair, replacing cells that die from ________________ During the growth phase (for a cell) known as _____________...is this one interphase? The mitotic phase itself

  60. com 200

    Concrete words have a ________________, a corresponding person or object that you can see, touch, or otherwise experience with your physical senses

  61. physics

    8 kg object is being pulled on friction free surface by 110 kg object through a pulley find acceleration of 8 kg object

  62. Physics

    A force is applied to a 22.5 kg object causing it to move at a constant velocity of 4.2 m/s with a coefficient of friction of 0.44. Suddenly, the applied force is removed, causing friction to be the only force acting on the object. How long will it take

  63. Physics-11

    A 12 kg object is at the top of a 41 degree inclined ramp. It is released and it reaches the bottom of the 85 m ramp in 2.3 seconds. what is the force of friction between the object and the ramp? What is the coefficient of friction? Can someone help me do

  64. physics

    when an object is rotating in a circle and the only force is acting on it is friction how is force of friction vector pointing towards the circle because an object in circular motion is traveling in that direction, it's accelerating towards the center of

  65. Physics

    An object is sliding along a flat surface with an initial speed of 30 m/s. What must the coefficient of kinetic friction be between the object and the surface if the object slides to a stop in 10m? What would be the speed of the object after it had only

  66. Physics

    An object slides down a inclined surface in the presence of kinetic friction forces. At the given inclination the kinetic friction force is found to be of magnitude 90 N. Now, the angle that the surface makes with respect to the horizontal is increased and

  67. Science

    The amount of friction exerted when an object moves across a surface depends on how the object and the surface rub together. For which of these surfaces will friction be greatest when a block of wood slides across it? a)wet ice; b)glass mirror; c)thick

  68. Physics

    an object of mass 5 kg has initial speed of 8 m/s it is sliding across an 8 m long table and has a coefficient of friction of .204 with the table sitting at the edge of the table is a 3 kg object at rest the 5 kg object collides and sticks to the 3 kg

  69. 3rd homework

    the water cycle lesson 2 how water changes and moves 1. ____________ water changes from a __________ to a _________________ 2. ____________ water changes from a _________ to a ________________ 3. _________________ Liquid water falls to the ground as

  70. Physics

    An object is moving up an incline which makes an angle of 30 degrees with respect to the horizontal. The coefficient of kinetic friction between the object and the incline is .222. If the object is originally moving at a speed of 5 m/s up the ramp, how far

  71. PHYSICS HELP PLEASE !!!!!

    A 21 kg object is placed on an incline with friction. The incline is raised slowly from zero degrees and at 60.71 degrees, the object begins to slide down the incline. What is the coefficient of static friction? Be as accurate as possible with your answer

  72. PHYSICS HELP PLEASE !!!!!

    A 21 kg object is placed on an incline with friction. The incline is raised slowly from zero degrees and at 60.71 degrees, the object begins to slide down the incline. What is the coefficient of static friction? Be as accurate as possible with your answer

  73. Physics

    A 12 kg object is at the top of a 41 degree inclined ramp. It is released and it reaches the bottom of the 85 m ramp in 2.3 seconds. what is the force of friction between the object and the ramp? What is the coefficient of friction? Can someone help me

  74. Physics

    A 2.285 kg object is held in place on an inclined plane that makes an angle of 40 degrees with the horizontal. The coefficient of static friction between the plan and the object is 0.552. A second object that has a mass of 4.75 kg is connected to the first

  75. physics

    A steady 50 N horizontal force is applied to a 10 kg object on a table. The object slides against a friction force of 35 N. Calculate the acceleration of the object in m/s.

  76. Physics

    An object of mass 1.4kg is placed 12.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the object remains fixed on the turntable until a rate of 36 rpm is reached, at which point the object

  77. Physics

    An object of mass 1.4kg is placed 11.5 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the object remains fixed on the turntable until a rate of 37 rpm is reached, at which point the object

  78. physics

    A 1 kg object starts 3 meters from the ground on a 24 degree incline with a friction coefficient of 0.12. When it hits the ground, it collides and sticks to a 8 kg object. The coefficient friction on the horizontal surface is 0.24 How far do the objects

  79. physics

    An object slides down a inclined surface in the presence of kinetic friction forces. At the given inclination the kinetic friction force is found to be of magnitude 90 N. Now, the angle that the surface makes with respect to the horizontal is increased and

  80. physics

    A force of 8 N acts on a 2 kg object as it is displaced along the x-axis. The speed of the object when it is at x= 2m is 5 m/s. a) what is the net work done by F(x) on the object as it is displaced from x=2m to x=8m? sol) 8m - 2m = 6m; 6m * 8N = 48 J b)

  81. physics

    A 1 kg object starts 3 meters from the ground on a 24 degree incline with a friction coefficient of 0.12. When it hits the ground, it collides and sticks to a 8 kg object. The coefficient friction on the horizontal surface is 0.24 How far do the objects

  82. Physics

    1.A 4.5kg object is at rest on a table with state friction of 0.56 and kinetic friction of 0.46. A force is applied such that the object just beings to move. If that same force is maintained, at what rate will the object accelerate? The answer is 0.98m/^2

  83. science

    When_____forces act on an object, they cause the object to move. A. Balanced B. Unbalanced C. friction D net B?

  84. Physics

    The applied force of a 2.0-kg object is 8.4 N [E] and the friction is 2.2 N [W]. What is the motion of the object? Can I use the formula Fnet = ma?

  85. physics

    would the energy lost to friction for a sliding object be accounted for as friction force / time traveled ? ?

  86. physics

    Static friction is smaller than kinetic friction because it is harder to keep an object than moving than to put it in motion.

  87. Physics

    We can account for the energy lost to friction for a sliding object as... would it be friction force/time traveled?

  88. Physics problem

    An object with a mass of 100kg is dropped from an 80 meter high building and leaves an impression in the ground of 15cm. A.What is the time needed to hit the ground? B. What is the speed of the object when it hits the ground? C. What is the coefficient of

  89. Physics problem

    An object with a mass of 100kg is dropped from an 80 meter high building and leaves an impression in the ground of 15cm. A.What is the time needed to hit the ground? B. What is the speed of the object when it hits the ground? C. What is the coefficient of

  90. science

    A scientist experiments on two different pairs of objects. During the experiment, the objects in one of the pairs are brought into contact with each other; the objects in the other pair are brought close together, but they do not touch. The scientist then

  91. physics

    the force of kinetic friction between a 60 kg object and a horizontal surface is 50 N. if the initial speed of the object is 25 m/s, what distance will it slide before coming to a stop?

  92. physics

    An object is resting on a flat surface with a coefficient of static friction of 0.65. If the mass os the object is 14Kg, what is the force necessary to start moving?

  93. Science : Physics

    A 15kg object takes 26.3 meters to stop because of friction. Assume no skidding. If the frictional force is 60 N, what is the initial velocity of the object?

  94. Physics

    A 12.0 kg object is on a surface that is inclined 30 degrees and the coefficient of friction is 0.65. Determine the force of static friction if the block remains stationary.

  95. physics

    The homework question asks: which work woulf be required to stop a moving object: the intial speed, the intial kinetic energy of the object, the mass of the object times it acceleration, the mass of the object times its intials speed, or the square of the

  96. physics

    an object of mass mf to fall a distance L, giving its energy to raise the bus of mass 0.50 kg. The focal point of the lab was the effect of an inclined plane (a ramp). What is the effect of a ramp on the force necessary to raise an object a vertical

  97. Science

    Talking about Yellowstone National Park Native Amiercans referred to Yellowstone as a place where _______________ General _______________ was the first to name many of the geysers Yellowstone is the result of a _______ _________ tat came up from the

  98. physics

    a 1kg object moving east with a velocity of 10 m/s collides with a .50kg object that is at rest. neglecting friction, what is the momentum of the system? please show work

  99. Physics

    An object weighing 72 newtons is being accelerated at 3.5 m/s^2 by an unknown force Fp at an angle of 35 degrees from the horizontal. The object is being pushed across a surface with a coefficient of friction 0.2. Find Fp.

  100. Physics URGENT!!!

    An accelerometer in a control system consists of a 2.42 g object sliding on a horizontal rail. A low-mass spring is connected between the object and a flange at one end of the rail. Grease on the rail makes static friction negligible, but rapidly damps out

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