Question.
What is the work done by the force of gravity on a satellite moving around the earth ? Justify your answer.
What is the work done by the force of gravity on a satellite moving around the earth ? Justify your answer.
Solution:
The work done by the force of gravity on the satellite is zero because the force of gravity acts at right angles to the direction of motion of the satellite. Therefore, displacement and force are in perpendicular directions.
The work done by the force of gravity on the satellite is zero because the force of gravity acts at right angles to the direction of motion of the satellite. Therefore, displacement and force are in perpendicular directions.
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