1. Physics

    Q.1:When a force is applied to a body,several effects are possible.Which of the folloeing could NOT occur? a.The body speeds up. b.The body rotates. c.The mass of the body decreases. d.The body changes direction. e.The body remains as it was. Force does
  2. Science

    A hirozontal force F works on a body of mass m1 and accelerates it by 5m/s^2. The same magnitude of horizontal force is exerted to another body of mass m2, which accerelates it by 2m/s^2. If m1 and m2 are combined, the acceleration provided by the force F
  3. Physics

    A force of 25 N accelerates a body by 5 m/s2. What is the mass of the body?
  4. physics

    A body pulled by a constant force accelerates from 10 cm/s to 35 cm/s in 3.5 s. A second force accelerates the same body from rest to 110 cm/s in 10.5 s. If the first force is known to be 5.0 N, that what is the second force?
  5. Physics

    A body A of a mass 0.16 kg exerts a force of 6.2x10^-10 N on a body B when the distance between their centers is 0.37 meters. What is the mass of body B?
  6. Physics

    A body A of a mass 0.16 kg exerts a force of 6.2x10^-10 N on a body B when the distance between their centers is 0.37 meters. What is the mass of body B?
  7. Physics

    A body A of a mass 0.16 kg exerts a force of 6.2x10^-10 N on a body B when the distance between their centers is 0.37 meters. What is the mass of body B?
  8. Pre-Calc

    A force, F, on a body of mass m causes the body to accelerate. Denote the acceleration of the body by a. The relationship between force, mass, and acceleration is F = ma. If we take the unit of mass to be a kilogram, the unit of distance to be a meter, and
  9. Science

    Body of mass 10 kg is at rest on a horizontal surface. A force of magnitude 10 N is applied to the body for 10 s. What is the final speed of the body?
  10. 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
  11. Physicd

    A force of 25N acts on a body at rest for 0.2s and a force of 70N acts for the next 0.1s in opposite direction .If the final velocity of the body is 5ms,the mass of the body is
  12. Physics

    An unknown mass has an acceleration of 2 m/s2 to a 1 kg body.if the same force accelerate another body of 8 m/s2 .what is the mass of the body?
  13. 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
  14. physics

    when a force of 0.245 newtons is applied to a body of mass 250g which is resting on a horizontal plane, the body is found to be in a limiting equilibrium. find the coefficient of friction between body and planes.
  15. physics, vector

    three vector f1=2i-3j -4k, f2=3i+4j-0k,f3=3i-j+5k act on a body of mass 40g causing it to displace for 10sec from p1 ( 2,3,7 ) to p2 ( 3,6,7 ). (i) estimate the over all displacement vector. (ii) estimate the resultant force on the body . (iii) what is the
  16. physics

    Problem 2: A body A of mass m = 1Kg and a body B of mass M = 4Kg are interconnected by a spring as shown in figure below. The body A performs free vertical harmonic oscillation with amplitude a = 1.6 cm and frequency ω= 25/s. Neglecting the mass of
  17. Physics

    Ok I guess the reason why I do not know how to do this problem is because I can not draw the proper free-body diagram... Three blocks on a frictionless horizontal surface are in contact with each other as shown in Fig. 4-5. A force F is applied to block 1
  18. physics

    A force acts for 5 seconds on a body of mass 5.2 kg initially at rest. The force then ceases to act and the body moves with a speed of 3m/s find magnitude of force
  19. physics

    Calculate the force with which the body will fall on u. Also calculate, the kinetic energy, when body will be at height 6 ft. from ground. (take g=9.8m/s, mass of body=62 kg..)
  20. Physics, 4 short questions

    VERY IMPORTANT FOR AN ESSAY ASSIGNMENT. PLEASE HELP ASAP! THANK U VERYYYYY MUCH! 1. What force is needed to give a mass of 25 kg an acceleration of 20m/s squared? 2. A force of 6N acts upon a 2-kg mass. What is the acceleration of the masS? 3. It takes a
  21. 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
  22. 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
  23. Calc

    Newton's Law of Gravitation says that the magnitude F of the force exerted by a body of mass m on a body of mass M is the following. F=(GmM)/r^2 Here G is the gravitational constant and r is the distance between the bodies. (a) Find dF/dr (b) Suppose it is
  24. physics

    A constant force acts on a body mass 0.9 kg at rest for 10s.If the body moves a distance of 250m ,the magnitude of the force is
  25. physics

    a constant force acts for 3s on a body of mass 16kg and then ceases to act.during the next 3s,the body covers 81m.find the magnitude of the force.
  26. physic

    A resultant force of 200N act on a body of mass 100kg for ss what is the impulse of the force on the body.
  27. science

    A body of mass m=2.6 kg is standing on a ramp inclined in an angle of α=14.9 degrees. The static friction coefficient between the ramp and the body is μ=0.29. The ramp, which is inclined to the left, is in a train, which accelerates to the right.
  28. science

    A body of mass m=2.6 kg is standing on a ramp inclined in an angle of α=14.9 degrees. The static friction coefficient between the ramp and the body is μ=0.29. The ramp, which is inclined to the left, is in a train, which accelerates to the right.
  29. Elementary mechanics

    A force of 2i+7jN acts on a body of mass 5kg for 10 seconds. The body was initally moving with constant velocity of i-2jm/s.Find the final velocity of the body in m/s, in vector form. (a)5i+12j(b)12i-5j(c)10i-7j(d)7i+10j
  30. 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
  31. physics

    The figure below shows the speed of a person's body as he does a chin-up. Assume the motion is vertical and the mass of the person's body is 73.4 kg. Determine the force exerted by the chin-up bar on his body at the following times. t=0s, speed= 0cm per
  32. Science

    A body of mass 17.25kg rest on a smooth horizontal table. The coefficient of friction between the body and the table is 0.34. What is the horizontal frictional force that will make the body just slide.
  33. physics

    A body of mass 10 kg moving at a speed of 4 m/s collides with another body of mass 4 kg at rest. After collision, if the speed of the body of 4kg mass be 5 m/s, the speed of body of 10kg mass shall be?
  34. laws of motion

    a force is applied to a body of mass 0.9 kgs that is at rest the force is applied for a duration of 5 sec and as a result the body covers a distance of 250 m find the magnitude of force
  35. physics

    A body of mass 5kg moving with a speed of 3m/s collides head on with a body of mass 3kg moving in the opposite direction at speed of 2m/s The first body stops after the collision The final velocity of the second body is Ans:3m/s
  36. physics- drbob can u plz help me???

    VERY IMPORTANT FOR AN ESSAY ASSIGNMENT. PLEASE HELP ASAP! THANK U VERYYYYY MUCH! 1. What force is needed to give a mass of 25 kg an acceleration of 20m/s squared? 2. A force of 6N acts upon a 2-kg mass. What is the acceleration of the masS? 3. It takes a
  37. PHYSICS

    A body of mass 100.0g is attached to a hanging spring whose force constant is 10.0 kN/m. The body is lifted until the spring is in its unstretched state. The body is then released. Using the law of conservation of energy, calculate the speed of the body
  38. Physics

    A force of 9.0N is applied to a body at rest on a smooth horizontal surface. If the body has a mass of 18.0kg and it moves in the direction of the force, find the work done in. a. The first four second. b. The fourth second ? Urgent answers pls
  39. Physics 1

    A body of mass 6kg moving at 8m/s collides with a stationary body of mass 10kg and sticks to it. Find the speed of the composite body immediately after the impact.
  40. Science Maths

    Sir, My question is as below:- Three particles a b & c of mass m are connected to each other by three massless rigid rods to from a rigid, equilateral triangular body of side 'l'.This body is is placed on a horizontal frictionless table (x-y plane) an is
  41. Astronomy

    If M is the mass of one body and m is the mass of another body, and their separation is d, then the gravitational force between them is proportional to
  42. Physics

    A force of 64 N is applied on a body producing an acceleration of 2.4 m/s^2. What is the mass of a body?
  43. physics

    I will be greateful to you,if you kindly hep me to solve the below problem: When a horizontal force of 200N is applied on a body ,he acceleration produced in it is 1.5m/s2.when the force is 300N the acceleration produced in it is 2.5m/s2.find the mass of
  44. physics

    A force of a 2 kg weight acts on a body of mass 4.9 kg .Find the acceleration produced.How far will the body move in 2 seconds ?
  45. physics

    A force of 2 kg weight acts on a body of mass 4.9 kg .Find the acceleration produced.How far will a body move in 2 seconds
  46. Science

    A body of mass 10kg is acted upon by a constant force 20N for 3secs. Calculate the K.E gained by the body.
  47. physical science

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

    If a resultant force of 15N acts on a body of mass 4kg for 4seconds.Calculate the change in momentum of the body
  49. science

    Net force of 10 newton produces an acceleration of 2mts/sec2 in a body moving over a horizontal surface . What is the mass of the body
  50. physics

    a constant rrtarding force of50N is applied to a body of mass 20 kg moving initially with speed of 15 ms-1.How long does the body take to stop?
  51. Science

    A body of mass 12kg is acted upon by a constant force on 12N for 6secs. Calculate the kinetic energy gained by the body.
  52. science

    if a body of a mass 4kg is acted upon at constant force of 12n at 2sec,calculate the kenetic energy gain by the body.
  53. Science

    A net force of 200n gives a body of mass m1 an acceleration of 80m/s2 and a body of mass m2, an acceleration of 240m/s2. The acceleration that this force causes when the masses combine together is -
  54. science

    A body was moving with a velocity 60km/hour. It is brought to rest by applying a force of 200newton.Find the mass of body in5sec
  55. math science geography

    A resultant force of 15.00n acts on a body for 4s mass 4kg. calculate the change in momentum of the body within this period
  56. physics

    A body of mass 0.4kg moving with constant speed of 10m/s to north is subjected to a constant force of 8 N directed towards the south for 30s. Take the instant the force is applied to be t=0, the position of the body at that time to be x=0 and t =-5s and
  57. 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
  58. physics

    How to solve a resultant force of 50N pulls a body of mass 10kg along a smooth horizontal surface. Calculate the acceleration with which the body is moved
  59. physics

    How to solve a resultant force of 50N pulls a body of mass 10kg along a smooth horizontal surface. Calculate the acceleration with which the body is moved
  60. physics

    a body of mass 5kg initially at rest is subjected to a force of 20N. find the kinetic energy acquired by the body at the end of 10s.
  61. PHYSICS

    A body accelerates from rest at 0.2m/s for one-fifth of a minute.Calculate the distance covered by the body.
  62. physics

    Please how do i solve this? A body of mass 36kg falls through a viscous liquid which offers a drag of 260N on the body. The upthrust on the body at terminal velocity is?
  63. physicis

    A body of 8.10 kg mass makes an elastic collision with another body at rest and continues to move in the original direction, but with one-fourth of its original speed. What is the mass (in kilograms) of the struck body?
  64. sjrkps

    A body initially at rest accelerates at the rate of 0.8m/s2 for 20 seconds.Find the final velocity of the body.
  65. physical science

    Which of the following four bodies has the greatest kinetic energy? a. A body of mass 1 kg moving with speed 1000 m/s. b. A body of mass 2 kg moving with speed 50 m/s c. A body of mass 3 kg moving with speed 50 m/s d. A body of mass 50 kg moving with speed
  66. Newton' law of motion

    A resultant force of 50N pulls a body of mass 10kg along a smooth horizontal surface. Calculate the acceleration with which the body is moved
  67. Physics

    A net force of 75 lbs acts on a body of mass 25 slugs which is initially at rest. Find its acceleration. How fast will the body be moving 12 seconds later? Please indicate the formula used.
  68. 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
  69. Physics

    The rocket sled shown in Figure 4.5 accelerates at a rate of 29.0 m/s2. Its passenger has a mass of 66.0 kg. Calculate the direction and magnitude of the total force the seat exerts against his body.
  70. Algebra 2

    Evaluate with nth Roots. For mammals, the lung volume V ( in milliliters) can be modeled by V=170m^4/5 where m is the body mass ( in kilograms)/ Find the lung volume of each mammal. Mongoose - Body Mass(kg) = 1.14 Camel - Body Mass (kg) = 229
  71. 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
  72. physics

    A resultant force of 20 N gives a body of mass m an acceleration of 8 m/s^2 and a body of mass m' acceleration of 24 m/s^2. What acceleration will this force cause the two masses to acquire if fastened together.
  73. Chemistry

    Assume that the width of your body (across your shoulders) is 50.8 cm inches and the depth of your body (chest to back) is 25.0 cm. If the atmospheric pressure is 14.9lb/in^2, what mass of air (lb) does your body support when you are in an upright
  74. Physics

    A constant force of friction of 50 N is acting on a body of mass 200kg moving initially with a speed of 15m/s. How long does the body take to stop? What distance will it cover before coming to rest?
  75. 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
  76. Math

    The equation of the motion of a body suspended by a spring is T=2π√m/k, where T is the time period, m is the mass of the body, and k is the force constant of spring. use this information to find the time period if a body of mass 10 kg is
  77. physics

    A body of mass 6kg, initially moving with speed 12m/s, experiences a constant retarding force of 10 newtons for 3 seconds. Find the kinetic energy of the body at the end of this time.
  78. physics

    A body of mass 6kg, initially moving with speed 12m/s, experiences a constant retarding force of 10 newtons for 3 seconds. Find the kinetic energy of the body at the end of this time.
  79. physics

    A body of mass 6kg, initially moving with speed 12m/s, experiences a constant retarding force of 10 newtons for 3 seconds. Find the kinetic energy of the body at the end of this time.
  80. physics

    A body of mass 6kg, initially moving with speed 12m/s, experiences a constant retarding force of 10 newtons for 3 seconds. Find the kinetic energy of the body at the end of this time.
  81. Physics

    A body of mass 0.1 kg is being rotated in a circular path of diameter 1 m on a frictionless horizontal plane by means of a string. It performs 10 revolutions in 31.4 sec, calculate the centripetal force acting on the body
  82. Physics

    body of mass 0.3 kg is taken up a client Plains of length and height 5 metres and then allowed to slide down to the bottom again the coefficient of friction between the body and the plane is 0.15 what is the work done by gravitational force over round
  83. physics

    A body of mass 6kg, initially moving with speed 12m/s, experiences a constant retarding force of 10 newtons for 3 seconds. Find the kinetic energy of the body at the end of this time.
  84. physics

    A body of mass 6kg, initially moving with speed 12m/s, experiences a constant retarding force of 10 newtons for 3 seconds. Find the kinetic energy of the body at the end of this time.
  85. 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
  86. physics

    The only force acting on a 3.0 kg body as it moves along the positive x axis has an x component Fx = -9x N, where x is in meters. The velocity of the body at x = 2.3 m is 9.7 m/s. (a) What is the velocity of the body at x = 4.4 m? (b) At what positive
  87. Physics

    The only force acting on a 4.7 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 = 2.4 m is 11 m/s. (a) What is the velocity of the body at x = 4.9 m? (b) At what positive value
  88. Math and Phyics

    The mass of the body attached to the movable pulley is 12 times the mass of the body fixed to the ground. At some instant the body fixed to the ground is released. What will be the height that it can ascend? The heavier mass is initially h meter above the
  89. 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
  90. algebra

    the body mass index ,I,can be used to determine an individuals risk for heart disease. An index less then 25 indicates a low risk. The body mass index is given by the formula,or model,I=700w/h2, where w = weight,in pounds,and H=height,in inches.Jerome is
  91. Physics

    A body of mass 10kg moving with velocity 30m/s collide with another body of mass 15kg.If the velocity of both the body are same after collision.Then find their common velocity.
  92. physics.. important stuff !

    i still do not understand?? can someone please help me out??? (a) why is the centripetal force neede to keep a body moving in a circular path? (b) In what direction does a centripetal force accelerate the body on whic it acts?? (c) Upon what threee factors
  93. Physics...help please!

    A body of mass m moves in the +x direction, subject only to drag force: Fx= (-1/2)(CD*rhoair*S*vx^2) With drag coefficient CD, air density rho air, cross sectional area S, and velocity component vx. At time t=0 the body is at postion x=0 and has velocity
  94. Physics...help please!

    A body of mass m moves in the +x direction, subject only to drag force: Fx= (-1/2)(CD*rhoair*S*vx^2) With drag coefficient CD, air density rho air, cross sectional area S, and velocity component vx. At time t=0 the body is at postion x=0 and has velocity
  95. physics

    1.A body with an initial velocity of 18km/hr accelerates uniformly at the rateof 9cm/sec2over a distance of 200m.Calculate, a)the acceleration in m/sec2 b)its final velocity in m/s 2.The distance travelled by a body moving with uniform acceleration in the
  96. physics

    Body A of mass M has an original velocity of 6.2 m/s in the +x-direction toward a stationary body (body B) of the same mass. After the collision, body A has velocity components of 1.1 m/s in the +x-direction and 2.2 m/s in the +y-direction. What is the
  97. medical

    For each body system, identify which body approach(es) might best be used to organize information. Choose only from the following approaches: microscopic-to-macroscopic, body directions and planes, body cavities, and quadrants and regions
  98. Engineering Science

    A bullet with a mass of 28g and travelling at 300m\s strikes a body with a mass of 14kg and which can move freely. The bullet remains in the body. At What velocity will the body start to move?
  99. Physics

    A body of mass 0.05kg falls from the height of 3m into a pile of send .the body penetrates the sand to a distant of 0.03m before stopping .what force is exerted by the sand
  100. physics

    a body of mass 65kg falls freely from rest through a height of 50m find the average force exerted by the ground to bring the body to a rest