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Name: How much force should be exerted on a rope that is attached to a 54 kg
Uploaded: 2024-03-20T06:57:57.000Z
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Description: How much force should be exerted on a rope that is attached to a 54 kg cart in order to accelerate it upward on a 15 degree inclined frictionless plane. Assume that the acceleration is 1.2 m/s^2.

Science

Physics

sume that the accel

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 8STP

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A man is pushing a box across an inclined plane with an angle of inclination of 60 degrees away from the horizontal. The box has a mass of 20kg and is moving at a constant speed. The force applied by the person has a magnitude of 250N and the surface of the inclined plane is not frictionless. m> 20 kg Go°
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When an object slides on a surface, it encounters a resistance force called friction. This force has a magnitude of uN, is the coefficient of kinetic friction and N is the magnitude of the normal force that the surface applies to the object. Suppose an object of mass 30 kg is released from the top of an inclined plane that is inclined 60° to the horizontal. Assume the gravitational force is constant, air resistance is negligible, and the coefficient of kinetic friction p = 0.2. Determine the equation of motion for the object as it slides down the plane. If the top surface of the plane is 8 m long, what is the velocity of the object when it reaches the bottom? Assume that the acceleration due to gravity is where x(t) x(0) = 0 mg sin 60° 9.81 m/sec?. mg cos 60° 600 mg Determine the equation of motion for the object as it slides down the plane. X(t)%3D
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