A boy throws a rubber ball vertically upwards. What kind of work is done;
(a) by the force applied by the boy.
(b) by the gravitational force. Support your answer with reason.
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4
Answer:
Positive work is done by the force applied by the boy because the ball continue to move in the direction of force.
b. Negative work is done by the gravitational force of earth because the ball moves in direction of force i.e opposite to gravitational force.
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Answered by
7
Answer:
Positive work is done by the force applied by the boy because the ball continue to move in the direction of force. b. Negative work is done by the gravitational force of earth because the ball moves in direction of force i.e opposite to gravitational force.
Explanation:
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