Part A: If you lift a 10 kg object that weighs 10 N (22lbs.) from the floor and place it on a table 1.5 m high, how much work did you do and how much potential energy did you give the object? Assume no friction. Part B: You apply 10N force to an object for 10m, how much work did you do and how much kinetic energy did you give the object? Assume no friction.

Question
Asked Mar 31, 2019

Part A: If you lift a 10 kg object that weighs 10 N (22lbs.) from the floor and place it on a table 1.5 m high, how much work did you do and how much potential energy did you give the object? Assume no friction. 

Part B: You apply 10N force to an object for 10m, how much work did you do and how much kinetic energy did you give the object? Assume no friction.

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Expert Answer

Step 1

Part A

The work done and the potential energy are same.

The expression for the potential energy,

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Step 2

Substitute the values,

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Step 3

Part B

The change in kinetic energy is equal to the work do...

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Mechanical Properties of Matter

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