the cause of ke when a man starts running without his feet slipping on the ground is asked to two students their answers are-
harshit: Cause of increase in ke is work done by friction force. without friction the man cannot run
Akanksha:cause of increase in ke is work done by internal (muscle) forces of the body.
who is right? and how?
(ke=kinetic energy)
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Answer:
Harshit is right .
Explanation:
It is because of friction by which amy thing con move on ground
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