Work Energy And Power Question 69

Question: The kinetic energy acquired by a mass m in travelling a certain distance d starting from rest under the action of a constant force is directly proportional to [CBSE PMT 1994]

Options:

A) $ \sqrt{m} $

B) Independent of m

C) $ 1/\sqrt{m} $

D) m

Show Answer

Answer:

Correct Answer: B

Solution:

Kinetic energy acquired by the body = Force applied on it × Distance covered by the body K.E. = F × d If F and d both are same then K.E. acquired by the body will be same



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