Question

No work is done by a force on a particle if
(A) The particle remains
stationary
(B) The force is always
perpendicular to its velocity
(C)
The force is always parallel to
its velocity
(D)
The velocity of particle is
unaffected by the application
of force(multiple choice)​

Answer 1

Answer:

A) The particle remains stationary.

Explanation:

This is becoz

W=Fs. (F means force,s means displacement)

If there is no displacement then no velocity occures. if no velocity no acceleration.if no acceleration no force.

in this way work os zero

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