A child pulls a cart with rubber wheels at a constant speed across dry, horizontal concrete. She pulls with a force of 50. N, as shown below. 12.

Q: A group of students carry out an experiment in which they want to find the coefficient of kinetic…

A: when a mass is placed on the top of the box then it also exert a normal force which is added to…

Q: A 172 N sled is pulled up a 31 degree slope at a constant speed by a force of 156 N. What is the…

A: weight of sled =mg = 172 N angle =  31 degrees force = F = 156 N

Q: Consider the 58.5kg mountain climber in the figure. Given Cos = 31 and Sin = 15. What is the minimum…

A:

Q: You are working for a shipping company. Your job is to stand at the bottom of an 8.0-m-long ramp…

A: Given data: The coefficient of kinetic friction is μk=0..30 The length is l = 8.0 m long

Q: 5.6 kg desk is being pushed along a classroom at a constant speed of 0.5 m/s. If a force of 34 N is…

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Q: If the coefficient of static friction between a 35 kg table and the floor is 0.25, how much…

A: The horizontal force exerted on the table to start move on the floor is, Fh=fs=μsN=μsmg

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: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

A: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

Q: moving.What is the coefficient of static friction between the shoe and the surface material? What is…

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Q: Due to a jaw injury, a patient must wear a strap that produces a net upward force of 5.00 N on his…

A:

Q: A box started at rest but was moved at a speed of 5 m/s. It was pushed 3 meters up a 60° ramp. The…

A: The mass of the box is m = 5.6 kg. The inclination of the plane with the horizontal is θ = 60…

Q: The Johnsons just received a heavy package (perhaps a treadmill) in the mail that they ordered from…

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Q: A 40 N box is resting on a table when a 10 N force is applied to it horizontally. The coefficients…

A: Frictional force F = uN

Q: A cow is pushing its baby from side of the farm to another. The floor of the farm is not…

A: we know that the net force is equal to the product of the mass and acceleration. the acceleration is…

Q: 45kg gymnast wedges himself between two closely spaced vertical walls by pressing his hands and feet…

A: Given,  Mass = 45 kg   We need to calculate,  Friction force with given condition =?

Q: A 1500kg car is driving on the road at a speed of 15 m/s. The driver applies the brakes, bringing…

A: The minimum distance the car needs to travel to stop (braking distance) is given by, d=v22μg Here, v…

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: The Johnsons just received a heavy package (perhaps a treadmill) in the mail that they ordered from…

A:

Q: A Z-Drag is an arrangement of ropes in pulleys often used in rescue situations. Implemented…

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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: A child has mass 24.0 kg and slides down a 23° incline with constant speed under the action of a…

A:

Q: An object is given an initial speed of 5 m/s on a horizontal surface.It slides 10 m on the…

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Q: The figure below illustrates the motion of an object on an inclined surface. The angle of…

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Q: A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a…

A:

Q: You are trying to walk up a steep hill. The coefficient of static friction is 0.62. What is the…

A: Given data: -  The coefficient of static friction is μ = 0.62.

Q: You are out on a hike and come across an unfortunate scene: a fellow hiker has fallen off a ledge.…

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Q: Two blocks are connected by a string as in the figure and the system is released from rest. The…

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Q: Based on this value, what is the minimum coefficient of static friction μs between the race track…

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Q: Weightcrate= Normal crate= Weightblock Tension block Tension crate Friction crate= = unit unit unit…

A:

Q: A rope attached to an engine pulls a 839 N crate up an 18.0° ramp at constant speed. The coefficient…

A: First we draw the free body diagram of the system and then apply the Newton’s law in x and y…

Q: Reset 750 kg 750 kg 600 kg 1500 kg 250 kg 500 kg u = (0.4, 0.3) u = (0.8, 0.5) L = (0.3, 0.1)…

A: Force of friction arises due to the presence of roughness between an object and a surface, which…

Q: A steel beam is suspended from two ropes as it is lifted to the top of a building at a constant…

A: T1 = 722 N θ1 = 25.2oθ2 = 29.5oLet the mass of beam = m

Q: A mass is on a slope with a coefficient of friction = 0.79. Slowly the angle of the slope is…

A: The minimum angle of inclination of a plane at which a body just begins to slide down is known as…

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: