Question

04. A body is being raised to a hight h from the surface of earth what is the sign of work done by (a) applied force​

Answer 1

Answer:

1 Answer. i.e., the sign of work done by applied force is positive. (b) As shown in figure the gravitational force acts in downward direction and displacement in upward direction, therefore, angle between them is = 180°.

Explanation:

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Answer 2

Answer:

A body is being raised to a height from the surface of earth, applied force is Positive. Displacement a body is raised between surface of the earth is r . Gravitational force due to gravity 9.8 m/s*.

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