A body is moving with 100J K.E ,if a constant force does 20J work on it ,then the change in kinetic energy is??? ANSWER MY THIS QUESTION AND I WILL MARK U AS BRAINLIEST
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there is no force change so there is no change in kinetic energy
nirma36:
but the answer given is 20J ,how it is given 20J??
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2
a uniform force accelerates the body, so the kinetic energy increases.
energy given to body by external force=20j
therefore increase in ke is equal to 20j
energy given to body by external force=20j
therefore increase in ke is equal to 20j
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