A small box is held in place against a rough wall by someone pushing on it with a force directed upward at an angle of 260 above the horizontal.  The coefficient of static and kinetic friction between the box and the wall are 0.40 and 0.30, respectively.   The box slides down unless the applied force has a magnitude of 13 N.  What is the mass of the box?

Q: A 5 kg box rests on a tabletop. On one side, it compresses a spring with a stiffness of 1000 N/m by…

A: mass of box (m) = 5 kg spring constant (k) = 1000 N/m compression (d) = 1 cm = 0.01 cm

Q: One block rests upon a horizontal surface. A second identical block rests upon the first one. The…

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Q: A block weighs 100. N and rests on a horizontal surface. If Ms = 0.50 and uk = 0.20 between the…

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Q: „DATUM .. 37

A: Let the tension in the rope be T Weight of Block A, WA=150 N Weight of Block B, WB=50 N considering…

Q: A snowmobile is pulling a large sled across a snow-covered field. The weight of the sled is 3560 N.…

A: Finding the snowmobile's pulling force under conditions where the sled's weight is 3560 N and its…

Q: A rug (mass of 20.0 kg) is sitting on a slope with an angle of 20 degrees. A person (mass of 40.0…

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Q: A box with with a mass m = 2kg is being pushed up a ramp by an unknown pushing force Fp. The…

A: The free-body diagram is , Given, m=2kg' The velocity is constant so, the acceleration is constant…

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 46 kg. You were pulling…

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Q: The 121-lb force P is applied to the 250-lb crate, which is stationary before the force is applied.…

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Q: A worker with mass m = 70 kg is trying to stretch his muscles with the help of a vertical wall.…

A: Given,  Mass, m = 70 Kg Force exerted by each hand on the wall is F = 70 N Total force exerted on…

Q: A large crate has a mass of 120 kg and sits on a horizontal floor. You push on the crate with a…

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Q: A 12.1 kgkg box sits on a horizontal table. A string with tension 30.6 NN pulls on the box to the…

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Q: A 10 kg block rests on a rough horizontal table with a rope attached to it. The coefficient of…

A: Analyze the free body diagram of the given system. Here, mg, N, fs, F and µs represent the weight…

Q: A 50.0 kg box is being pushed along a horizontal surface by a force of 200.0 N directed 30° below…

A: Applied force = =200 N Normal force exerted by surface on the box = weight + F sin(theta)  = mg + F…

Q: A sanding block is being pushed up a vertical wall by a force F that is being applied at an angle of…

A: Given  Coefficient of friction,u = 0.885  Mass of block M = 0.534 Kg  Applied force,F = ??  Angle =…

Q: A circus gymnast hangs from two ropes attached to the ceiling while lowering himself to the floor at…

A: Given: The angle of the first rope with vertical is 28.3°. The tension in the first rope is 352 N.…

Q: A ladder of length L and mass m leans against the side of a house, making an angle of θ� with the…

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Q: A crate of mass 61 kg lies on a flat floor.  A person exerts a horizontal force of 141 N on it. If…

A: Given applied force on the mass = 141 N The crate does not move.

Q: A 3 kg box rests on a horizontal table. It is attached to a 2 kg box via a pulley. The 2 kg box…

A:

Q: A constant applied force F, of 15.0 N pushes a box with a mass m = 7.00 kg a distance x = 15.0 m…

A: Given: Applied force Fp=15.0 N. Mass of the block m=7.0 kg. Distance traveled by block x=15.0 m. The…

Q: You are pushing a metal crate against a metal floor. The two surfaces have a static coefficient of…

A: Given data: Coefficient of static friction (μs) = 0.62  Coefficient of kinetic friction (μk) = 0.50…

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 50 kg. You were pulling…

A: Force applied (F)= 480 N Coefficient of kinetic friction (µk)= 0.49 Mass of crate(m)= 50 kg Angle of…

Q: The 1.0 kg block in the figure is tied to the wall with a rope. It sits on top of the 2.0 kg block.…

A: Given Data : The mass of the block on the bottom is given as m1 = 2kg. The mass of the block on the…

Q: A 10.0-kg box is at rest on a concrete floor. The coefficient of static friction between the box and…

A: mass, m = 10 kg static friction coefficient = 0.75  kinetic friction coefficient = 0.62  Force, F =…

Q: a girl is pulling her 6.8kg wagon along a horizontal sidewalk. the force exerted by the girl is 17 N…

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Q: A 2.30 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude…

A: Apply the force equilibrium condition along the vertical, and determine the normal reaction force as…

Q: A person stands on the ball of one foot. The normal force due to the ground pushing up on the ball…

A: Given Data:-  The Normal force due to the ground pushing up on the ball of the foot N = 750 N  The…

Q: Find the minimum magnitude of the force  F

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Q: A box is placed at one end of a 2.00-m plank. That end of the plank is slowly raised until the box…

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Q: An object sitting at rest on a level surface has a weight and a normal force of 200 N. The…

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Q: placed on a ramp. The ramp has an incline of ? = 25.7 degrees from the horizontal. The static…

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Q: box with mass m = 3.25 kg rests on the top of a bar. The coefficient of static friction between the…

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: A box weighing 50 N rests on a horizontal surface.  A person pulls with a force of 10N to the right…

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Q: Ross and Rachel are fighting if they were on a break. Ross is trying to get his stuff weighing 150.…

A: Magnitude of actual friction force between the object and the incline at the instant shown. weight…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: