Question

What is the work done by the force of gravity ​

Answer 1

Answer:

If the direction of force is perpendicular to displacement, then the work done is zero. When a satellite moves around the Earth, then the direction of the force of gravity on the satellite is perpendicular to its displacement. Hence, the work done on the satellite by the Earth is zero...

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Answer 2

Answer:

Work = force* displacement.

Gravity acts towards the center of the Earth.So,if the satellite moves in circular orbit with center of the Earth then, the work done at any point is zero,since the force and displacement are perpendicular.

Explanation:

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