Question

Work done by a force on an object is
zero, if :
(A) The force is always
perpendicular to its
acceleration
(B) The object is stationary but
the point of application of the
force moves on the object
(C) The force is always
perpendicular to its velocity
(D) The object moves in such a
way that the point of
application of the force
remains fixed​

Answer 1

Answer:

b is the correct option

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Explanation:

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Answer 2

Answer:

b correct answer

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