1. PHYSICS

    A 41kg box is being pushed a distance of 7.0m across the floor by a force P whose magnitude is 158N. The force P is parallel to the displacement of the box. The coefficient of Kinetic friction is 0.25. Determine the work done on the box by each of the four forces that act on ...
  2. Physics

    A 54 kg box is being pushed a distance of 7.0 m across the floor by a force P whose magnitude is 153 N. The force P is parallel to the displacement of the box. The coefficient of kinetic friction is 0.25. Determine the work done on the box by each of the four forces that act ...
  3. Physics

    A 54 kg box is being pushed a distance of 7.0 m across the floor by a force P whose magnitude is 153 N. The force P is parallel to the displacement of the box. The coefficient of kinetic friction is 0.25. Determine the work done on the box by FRICTIONAL FORCE.
  4. Physics

    A 54 kg box is being pushed a distance of 7.0 m across the floor by a force P whose magnitude is 153 N. The force P is parallel to the displacement of the box. The coefficient of kinetic friction is 0.25. Determine the work done on the box by frictonal force.
  5. physics

    A 50-kg box is being pushed a distance of 6.4 m across the floor by a force P with arrow whose magnitude is 154 N. The force P with arrow is parallel to the displacement of the box. The coefficient of kinetic friction is 0.24. Determine the work done on the box by each of the ...
  6. physics

    A 50-kg box is being pushed a distance of 7.1 m across the floor by a force whose magnitude is 175 N. The force is parallel to the displacement of the box. The coefficient of kinetic friction is 0.19. Determine the work done on the box by each of the four forces that act on ...
  7. physics

    A 48-kg box is being pushed a distance of 7.5 m across the floor by a force Upper POverscript right-arrow EndScripts ⁢ whose magnitude is 185 N. The force Upper POverscript right-arrow EndScripts ⁢ is parallel to the displacement of the box. The coefficient of ...
  8. physics

    A 50-kg block is pushed a distance of 5.0 m across a floor by a horizontal force Fp whose magnitude is 150 N. Fp is parallel to the displacement of the block. The coefficient of kinetic friction is 0.25. A) What is the total work done on the block? B) If the box started from ...
  9. Physics

    A 55-kg block, starting from rest, is pushed a distance of 5.0 m across a floor by a horizontal force Fp whose magnitude is 140 N. Fp is parallel to the displacement of the block. The final speed of the block is 2.35 m/s. A) What work did the friction do on the box? B) What is...
  10. physics

    A horizontal force of magnitude F = 116 N is used to push a box of mass m = 9 kg from rest a distance d = 13 m? 1)How much work is done by the force on the box? WF = 2) How much work is done on the box by the gravitational force during this same displacement? Wg = 3) How much ...
  11. physics

    A horizontal force of magnitude F = 110 N is used to push a box of mass m = 6 kg from rest a distance d = 16 m up a frictionless incline with a slope q = 28°. a) How much work is done by the force on the box? b) How much work is done on the box by the gravitational force ...
  12. Physics

    A 55-kg block, starting from rest, is pushed a distance of 5.0m across a floor by a horizontal force Fp whose magnitude is 140N. Fp is parallel to the displacement of the block. The final speed of the block is 2.35m/s. a. How much work was converted to thermal energy? What ...
  13. Physics

    A box is being pushed to the left parallel to the x-axis by a force of 23.0 N. A rope provides a second force of 33.8 N on the box, directed to the right at an angle of 39.0 deg. from the x-axis. What is the magnitude of the net force acting on the box ?
  14. mechanics

    A 2kg box sits at rest on a level floor. Two children push on the box at the same time. Eli pushes horizontally to the right on the box with a force of 4N. Jamie pushes straight downward on the box with a force of 3N. The box does not move (there is friction between the box ...
  15. Physics

    A box weighing 600 N is pushed along a horizontal floor at a constant velocity with a force of 250 N parallel to the floor. What is the coefficient of Kinetic friction between the box and the floor?
  16. Physics

    A box is pushed down an incline from point A to point B by a force F (and also under the influence of its weight). The distance from A to B, along the ramp, is 5.0 m. The force F is parallel to the incline, as shown, and has a magnitude of 2.0 N. The force of kinetic friction ...
  17. Physics

    A box of mass m = 59.0 kg (initially at rest) is pushed a distance d = 84.0 m across a rough warehouse floor by an applied force of FA = 204 N directed at an angle of 30.0° below the horizontal. The coefficient of kinetic friction between the floor and the box is 0.100. ...
  18. physics

    A 33.0 kg box initially at rest is pushed 5.95 m along a rough, horizontal floor with a constant applied horizontal force of 145 N. If the coefficient of friction between box and floor is 0.300. find: the work done by the applied force the increase in internal energy in the ...
  19. Physics

    A 39.0 kg box initially at rest is pushed 4.50 m along a rough, horizontal floor with a constant applied horizontal force of 135 N. If the coefficient of friction between box and floor is 0.300, find the following. (a) the work done by the applied force J (b) the increase in ...
  20. physics

    A wooden box weighing 271 N is pushed across the floor by a workman who exerts a horizontal force of 144 N. If the force of friction between the box and the floor is 28 N, what is the acceleration (in meters/second^2) of the box?
  21. physics

    A wooden box weighing 281 N is pushed across the floor by a workman who exerts a horizontal force of 166 N. If the force of friction between the box and the floor is 21 N, what is the acceleration (in meters/second^2) of the box?
  22. physics

    wooden box weighing 271 N is pushed across the floor by a workman who exerts a horizontal force of 144 N. If the force of friction between the box and the floor is 28 N, what is the acceleration (in meters/second^2) of the box?
  23. physics

    a wooden box weighing 286N is pushed across the floor by a workman who exerts a horizontal force of 143N. If the force of friction between the box and the floor is 28N, what is the acceleration (in meters per second) of the box?
  24. Physics

    A 7.5 kg box is pushed across a floor by pushing forward and down, with a force of 11 N at an angle 64 degrees from the horizontal floor. What is the normal force exerted by the floor onto the box?
  25. Science-Enr. Phys.

    A box of books weighing 325 N moves at a constant velocity across the floor when the box is pushed with a force of 425 N exerted downward at an angle of 35.2 degrees below the horizontal. Fink Mu,k between the box and the floor. There have been several of this type of question...
  26. Physics

    A force of 112 N acts on 35 kg box which moves at a steady speed across the floor. The force is directed 40 degrees above the ground. How to state Newton's second law using x components and y components? x: -Fa(cos40) -Ff=ma and y: -Fa(sin40)+Fn-Fg=0? How do you calculate ...
  27. physics

    A manager of a restaurant pushes horizontally with a force of magnitude 150 N on a box of melons. The box moves across the floor with a constant acceleration in the same direction as the applied force. Which statement is most accurate concerning the magnitude of the force of ...
  28. Physics

    A box is being pushed up the ramp by you at a 15 degree angle. The coefficient of kinetic friction between the box and ramp is .4. The box has a mass of 12 kg and you are pushing up the ramp with a force of 95N. What is the kinetic frictional force? What is the sum of forces (...
  29. College Physics!

    Is there any way i can just get these problems set up? I just need help with the steps on how to do it. A box weighing 600 N is pushed along a horizontal floor at a constant velocity with a force of 250 N parallel to the floor. What is the coefficient of Kinetic friction ...
  30. physics 101

    A horizontal force of magnitude F = 164 N is used to push a box of mass m = 7 kg from rest a distance d = 17 m up a frictionless incline with a slope q = 31°. How much work is done on the box by the gravitational force during this same displacement?
  31. physics

    A 5-kg box is pushed across a horizontal floor by a 20-N force that is angled 30 degrees below the horizontal. What is the coefficient of kinetic friction between the box and the floor if the box is pushed at a constant speed?
  32. physics

    A person pushes with force F on a box which remains at rest on a rough floor as shown in the top figure. The bottom figures illustrates all the force acting on the box. a) What condition must be satisfied by all the force acting on the box so that it remains at rest? Draw a ...
  33. Physics

    A factory worker pushes a 32.0 kg crate a distance of 4.9 m along a level floor at constant velocity by pushing downward at an angle of 32 ∘ below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25. What magnitude of force must the ...
  34. Physics

    A 250N force is applied at an angle of 32 degrees above the horizontal to a 96kg box causing it to slide along a floor. The coefficient of friction between the box and the floor is 0.18. What is the magnitude of the net force on the box? The answer is 67N, I'm just not sure ...
  35. Physics

    A box is pushed across a floor with a force of 2.8 N at an angle of 26.8 degrees above the horizontal. How much work, in Joules, must be done to move the box a distance of 8.3 m?
  36. Physics

    A box is pushed across a horizontal table by a boy applying a force of 32 N to the box. A force of friction of magnitude 19 N acts opposite the direction of motion. A stiff wind also opposes the box’s motion. What force does the box exert on the boy’s hand?
  37. Physics

    A 200 N box is pushed up an incline 10 m long and 3 m high. The average force (parallel to the plane) is 120 N. a.) How much work is done? b.) What is the change in the PE of the box? c.) What is the change in KE of the box? d.) What is the frictional force on the box?
  38. Physics

    A 200 N box is pushed up an incline 10 m long and 3 m high. The average force (parallel to the plane) is 120 N. a.) How much work is done? b.) What is the change in the PE of the box? c.) What is the change in KE of the box? d.) What is the frictional force on the box?
  39. Physics

    A 115.0 kg box is pushed by a horizontal force F at constant speed up a frictionless ramp which makes an angle of 46.0 deg with the horizontal. Find the magnitude of the applied force F. what is the magnitude of the normal force between the ramp and the box?
  40. Science

    A box being pushed with a force of 85N slides along the floor with a constant speed. What is the force of sliding friction on the box?
  41. physics

    A box of mass 10 kg is pushed across the floor with a force of 25 N. A 2 N frictional force opposes the motion. What is the acceleration of the box?
  42. Physics

    You pushed a 1 kg box on floor where= 0.3. If the force you applied was 5 N, will the box move? m = 1kg u= 0.3 Fapp= 5 N Ff= (0.3)(1) (9.81) Ff = 2.943 N So therefore the box would move because the frictional force is less than the applied force. Did I answer this correctly?
  43. Physics

    A box is being with a velocity v by a force P (parallel to to v) along a level horizontal floor. the normal force is Fn, the kinetic frictional force if fk, and the weight of the box is mg. Decide which forces do positive, zero or negative work and why?
  44. Physics

    A box is being moved with a velocity (v) by a force (p)(parallel to v) along a level horizontal floor. The normal force is (Fn), the kinetic frictional force is (fk), and the weight of the is box is (mg). Draw a free-body diagram of this situation
  45. physics

    A box of Cheerios and a box of Wheaties are accelerated accross a horizontal force vector F applied to the Cheerios box. THe magnitude of the frictional force on the Cheerios box is 2 N and the magnitude of the frictional force on the Wheaties box is 4 N. If the magnitude of ...
  46. physics

    Two boxes (b1 = 23 kg and b2 = 57 kg) are being pushed across a horizontal frictionless surface, as the drawing shows. The 48-N pushing force is horizontal and is applied to the 23-kg box, which in turn pushes against the 57-kg box. Find the magnitude of the force that the 23-...
  47. physics

    While you are in detention after school, your teacher tells you to slide a large, 89.7 kilogram box across the floor. The coefficient of static friction (ìstatic) between the box and the floor is 0.50. Compute the force parallel to the ground (F parallel)required to start ...
  48. Physics

    A child pushes a toy box 4.0m along the floor with a force of 6.00N directed downward at an angle of 37.0 degrees to the horizontal. a. How much work does the child do? b. Would you expect more or less work to be done if the child pulled upward at the same angle? a) The work ...
  49. physics

    As shown in the figure below, a box of mass m = 57.0 kg (initially at rest) is pushed a distance d = 79.0 m across a rough warehouse floor by an applied force of FA = 202 N directed at an angle of 30.0° below the horizontal. The coefficient of kinetic friction between the ...
  50. Physics

    A box is pushed by a 750 N force that acts at a 30 degree angle with a friction less surface.The force pushes a box that has a weight of 500N a distance of 15 meters. How much work is done on the box?
  51. Physics

    1) A box m1 = 9.30 kg is stacked on top of another box m2 = 20.0 kg, placed on the floor inside an elevator. When the elevator is accelerating downward with a magnitude of 3.72 m/s2, what is the normal force that box m1 exerts on box m2? What is the normal force that the ...
  52. physics

    A man cleaning his apartment pushes a vac- uum cleaner with a force of magnitude 57.6 N. The force makes an angle of 25.3◦ with the hor- izontal floor. The vacuum cleaner is pushed 2.71 m to the right along the floor. Calculate the work done by the 57.6 N force. Answer ...
  53. Physics-forces

    1. a force of 250N is used to push a heavy box down the street. If the force of friction between the box and the street is 195N and the box has a mass of 60kg, what is the accleration of the box? 2.a force of 40N is applied to a 6kg box of books. If the frictional force acting...
  54. Physics

    A delivery person pulls a 35 kg box across the floor. The applied force exerted on the box is 122.5 N [38o above the horizontal]. The force of kinetic friction on the box has a magnitude of 55.0 N. The box starts from rest. Using the Work-energy theorem, determine the speed of...
  55. PHYSICS

    a 107 KG BOX ON THE RIGHT AND A 43 KG BOX ON THE LEFT ARE TIED TOGETHER BY A HORIZONTAL CABLE. tHE 107 KG BOX IS ACTED UPON BY AN EXTERNAL FORCE OF 598 n TO THE RIGHT. THE FRICTIONAL FORCE EXERTED BY THE FLOOR ON THE 107 KG BOX IS 30 n AND THE FRICTIONAL FORCE EXERTED BY THE ...
  56. physics

    A box,is resting on a smooth(frictionless)table.The mass of the box is 10 kg. (a)Determine the weight of the box and the normal force acting on(b)If the box is pushed down with a force of 40 Newton determine the normal force(c) If the box was pulled up with a force of 40 ...
  57. physics

    1. A man pushes on a box at an angle of 30.0° with a force of 20.0 N and the box moves across the floor. Which of the following component of the force do you use to calculate work? (Points : 1) 0.00 N 10.0 N 17.3 N 20.0 N Question 2.2. A man carries a 10 kg sack of groceries ...
  58. physics

    A man cleaning his apartment pushes a vacuum cleaner with a force of magnitude 55.8 N. The force makes an angle of 15.3 ◦ with the horizontal floor. The vacuum cleaner is pushed 3.55 m to the right along the floor. Calculate the work done by the 55.8 N force. Answer in ...
  59. PHYSICS

    A 107 kg bix on the right and a 50 kg box on the left are tied together by a horizontal cable. The 107 kg box is acted upon by an external force of 598 N to the right. The frictional force exerted by the floor on the 107 kg box is 30 N and the frictional force exerted by the ...
  60. Physics

    When a horizontal force of 350 is applied to a 86.0 box, the box slides on a level floor, opposed by a force of kinetic friction of 130 .What is the magnitude of the acceleration of the box?
  61. Physics

    A 115.0 kg box is pushed by a horizontal force F at constant speed up a frictionless ramp which makes an angle of 46.0 deg with the horizontal.what is the magnitude of the normal force between the ramp and the box? The applied force= 1167.04N
  62. Physics

    A warehouse employee used a cable to pull a 125 kg crate across the floor. the angle between the cable and the floor was 25°. The magnitude of the pulling force was 185 N. The coefficient of kinetic friction between the crate and the floor was 0.27. A)What was the weight of ...
  63. Physics

    A warehouse worker exerts a constant horizontal force of magnitude 89.0 N on a 43.0 kg box that is initially at rest on the horizontal floor of the warehouse. When the box has moved a distance of 1.60 m, its speed is 1.10 m/s. What is the coefficient of kinetic friction ...
  64. physics

    A 3.0 kg block is pushed along a horizontal floor by a force F of magnitude 19 N at an angle θ = 30° with the horizontal. The coefficient of kinetic friction between the block and floor is 0.25.(a) Calculate the magnitude of the frictional force on the block from the ...
  65. Physics help!

    A box of books weighing 323 N is shoved across the floor by a force of 477 N exerted downward at an angle of 35° below the horizontal. (a) If μk between the box and the floor is 0.51, how long does it take to move the box 4.80 m starting from rest? (b) What is the ...
  66. physics

    A box of books weighing 314 N is shoved across the floor by a force of 475 N exerted downward at an angle of 35° below the horizontal. (a) If μk between the box and the floor is 0.53, how long does it take to move the box 5.00 m starting from rest? What is the maximum ...
  67. Physics

    A box of books weighing 337 N is shoved across the floor by a force of 467 N exerted downward at an angle of 35° below the horizontal. (a) If μk between the box and the floor is 0.56, how long does it take to move the box 4.00 m starting from rest? s (b) What is the ...
  68. physics

    A 3.5 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 17 N at an angle θ = 35° with the horizontal (Figure 6-20). The coefficient of kinetic friction between the block and floor is 0.25. (Assume the positive direction is to the...
  69. physics

    Three different forces produce the same displacement: the vector Delta(r) starts at the left edge of your computer monitor and the tip points to the right edge of your monitor in a horizontal orientation. The first force has a magnitude of 10 N and it is pointing straight up, ...
  70. A 3.5 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 17 N at an angle θ = 35° with the horizontal (Figure 6-20). The coefficient of kinetic friction between the block and floor is 0.25. (Assume the positive direction is to the...
  71. Physics

    A box of books weighing 337 N is shoved across the floor by a force of 467 N exerted downward at an angle of 35° below the horizontal. (a) If μk between the box and the floor is 0.56, how long does it take to move the box 4.00 m starting from rest? 2.518 s (b) What is ...
  72. 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 of 40N, what now is ...
  73. trigonometry

    a box is pushed applying a force of 7N against a slippery floor, at an angle of 36 degrees with the floor. what is the horizontal component of the floor?
  74. Physics

    A force vector F of magnitude 12N is applied to a FedEx box of mass m2=1kg. The force is directed up a plane tilted by theta=37 degrees. The box is connected by a cord to a UPS box of mass m1=3kg on the floor. The floor, plane, and pulley are frictionless, and the masses of ...
  75. PHYSICS

    A 100 kg box on the right and a 50 kg box on the lift are tied together by a horizontal cable. The 100 kg box is acted upon by an external force of 500 N to the right. The fritional force exerted by the floor on the 100 kg box is 30 N and the froctional force exerted by the ...
  76. Science

    A box of 5 kg mass slides horizontally on the floor for along a distance 9m in 3s due to a constant force. The magnitude of the constant force is ...
  77. physics

    A box of books weighing 349 N moves with a constant velocity across the floor when it is pushed with a force of 434 N exerted downward at an angle of 37.9◦ below the horizontal. Find μk between the box and the floor.
  78. physics

    Unless otherwise stated, all objects are located near the Earth's surface, where = 9.80 . When a horizontal force of 340 is applied to a 68.0 box, the box slides on a level floor, opposed by a force of kinetic friction of 150 . Part A What is the magnitude of the acceleration ...
  79. Physics

    an 88kg cardboard box is being pulled along a level floor. the coefficient of static friction between the box and the floor is 0.23, and the sliding friction is 0.12. What is the weight of the box? What force is needed to start the box moving? What force is needed to keep the ...
  80. Physics

    You drag a heavy box along a rough horixontal floor by a horizontal rope. Identify the reaction force to each ofthe follwing forces: A) the pull of the tope on the box. B) the friction force on the box C) the normal force on the box, and D) the weight of the box.
  81. physics

    Starting from rest, a student pulls a (34) kg box a distance of (13.50) m across the floor using a (161) N force applied at 35.0 degrees above horizontal. The coefficient of kinetic friction is 0.220 between the floor and the box. Find the work done by the pulling force. Give ...
  82. Physics

    A box of mass m1 = 10.0 kg rests on a smooth, horizontal floor next to a box of mass m2 = 5.0kg. You push on the box 1 with a horizontal force of F = 31.8 N: a.)What net force on box 2 will cause it to have this acceleration? b.)What the force on box 1 on box 2? (In other ...
  83. Physics/Math

    A 3.0 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 18 N at an angle = 45° with the horizontal. The coefficient of kinetic friction between the block and floor is 0.25. (Assume the positive direction is to the right.) Calculate ...
  84. physics

    Joe pushes horizontally on a heavy box across a rough surface at constant speed. Which one of the following statements concerning this situation is false? If Joe stops pushing on the box, the box will stop sliding eventually. If Joe doubles his force on the box, the speed of ...
  85. plz help me

    1)When a 10-kg crate is pushed across a frictionless horizontal floor with a force of 14 N, directed 25° below the horizontal, the magnitude of the normal force of the floor on the crate is (g = 10 m/s2): 2)A constant force of 2.8 N is exerted for 9.0 s on a 6.1-kg object ...
  86. PHYSICS

    A 100 kg box on the right and a 50 kg box on the left are tied together by a horizontal cable. The 100 kg box is acted upon by an external force of 500 N to the right. The frictional force exerted by the floor on the 100 kg box is 30 N and the frictional force exerted by the ...
  87. physics

    Three horizontal forces (the only horizontal one) act on a box sitting on a floor. One force (F1) acts due east and has a magnitude of 150 lb. A second force (F2) has an easterly component at 30.0 lb and a southerly component at 40.0 lb. The box remains at rest. Sketch the two...
  88. classical physics

    Question 14 Give reasons for the answers to each of the following questions: a) Can a normal force be horizontal? b) Can a normal force be directed vertically downward? c) Consider a tennis ball in contact with a stationary floor and with nothing else. Can the normal force be ...
  89. physics

    A force of 100N pulls a box of weight 200N along a smooth horizontal surface makes 45(degree) to the floor . Calculate the work done by the force. A- in moving the box a distance of 25m along the horizontal. B- against gravity. C- against normal force.
  90. Physics

    Two boxes of mass 7.40 and 7.00 kg are in contact and are accelerated across a horizontal surface by an force of 51.49 N applied parallel to the surface and pushing on the lighter box. The magnitude of the frictional force between the surface and the lighter mass is 9.26 N and...
  91. physics

    carol and bruno drag a box of mass 58.0 kg along a frictionless floor. Carol pushes the box with a force of 11.4 N at an angle of 40.0 downward from the horizontal. Bruno pulls the box from the other side with a force of 11.0 N at an angle of 40.0 above the horizontal. What is...
  92. PHYSICS

    A 3.5 kg block is pushed along a horizontal floor by a force of magnitude 15 N at an angle 40° with the horizontal (Fig. 6-19). The coefficient of kinetic friction between the block and the floor is 0.25. Calculate the magnitudes of (i) the frictional force on the block from ...
  93. physics

    A box of weight 2N accelerates down a rough plane that is inclined at an angle 30 degrees above the horizontal. The normal force acting on the box has a magnitude 1.7 N, the coefficient of kinetic friction between the box and the plane is O.30, and displacement of the box is 1...
  94. Physic

    A 3.5 kg block is pushed along a horizontal floor by a force of magnitude 15 N at an angle è = 40° with the horizontal. The coefficient of kinetic friction between the block and the floor is 0.25. Calculate the magnitudes of (a) the frictional force on the block from the ...
  95. physics

    Mary applies a force of 71 N to push a box with an acceleration of 0.57 m/s2. When she increases the pushing force to 83 N, the box's acceleration changes to 0.86 m/s2. There is a constant friction force present between the floor and the box. a) what is the coefficient of the ...
  96. Physics

    A box of books weighing 303 N moves with a constant velocity across the floor when it is pushed with a force of 400 N exerted down-ward at an angle of 38.6 degrees below the horizontal. Find ìk between the box and the floor. Well I know that I have to use netF = ma, so I ...
  97. physics

    box full of books rests on a wooden floor. The normal force the floor exerts on the box is 235 N. a) You push horizontally on the box with a force of 121 N, but it refuses to budge. What can you say about the coefficient of static friction between the box and the floor? (b) If...
  98. physics

    An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and slows it down. The asteroid has a mass of 4.9 × 104 kg, and the force causes its speed to change from 7600 to 5400 m/s. (a) What is the work done by the force? (b) If the ...
  99. physics

    Dirk pushes on a packing box with a horizontal force of 67.0 N as he slides it along the floor. The average friction force acting on the box is 3.00 N. How much total work is done on the box in moving it 3.10 m along the floor?
  100. Physics

    Dirk pushes on a packing box with a horizontal force of 67.0 N as he slides it along the floor. The average friction force acting on the box is 5.10 N. How much total work is done on the box in moving it 2.20 m along the floor?
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