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# What average force is needed to accelerate a 7.00-gram

ISBN: 9780130606204 3

## Solution for problem 7P Chapter 4

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition

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Problem 7P

What average force is needed to accelerate a 7.00-gram pellet from rest to 125 m/s over a distance of 0.800 m along the barrel of a rifle?

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Solution when the climber is hanging from rope two forces acting on him. 1.Downward force The force of gravity is the force with which the earth, moon, or other massively large object attracts another object towards itself. By definition, this is the weight of the object. All objects upon earth experience a force of gravity that is directed "downward" towards the center of the earth. The force of gravity on earth is always equal to the weight of the object as found by the equation: 2. Upward force The tension force is the force that is transmitted through a rope, when it is pulled tight by forces acting from opposite ends. The tension force is directed along the length of the wire and pulls equally on the objects on the opposite ends of the wire

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What average force is needed to accelerate a 7.00-gram