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You push a 325-N trunk up a 20.0° inclined plane at a constant velocity with exerting a 211-N force parallel to the plane’s surface.
1. What are the magnitude and direction of the friction force?
2. What is the sum of all forces parallel to the plane’s surface?
3. What is the component of the trunk’s weight parallel to the plane?
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How much work must be done to move a 3.8 kg chair 6.1 m acrossthe floor at constant velocity if the coefficient of kineticfriction between the chair and the floor is 0.64
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