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in Physics by (49.3k points)
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Say whether the following are positive work or negative work. 

(1) The work done by a person drawing water from a well using a rope without a pulley. 

(2) Work done by gravitational force in this situation 

(3) Work done by the frictional force while and object is sliding down along an inclined plane. 

(4) Work done by the force is moving along a plane surface.

1 Answer

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by (51.8k points)
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Best answer

1. Positive work 

2. Negative work 

3. Negative work 

4. Positive work

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