The angle between the line of action of force and displacement when no work done (in degree) is
Posted: Mon Dec 13, 2021 6:32 am
The angle between the line of action of force and displacement when no work done (in degree) is
(A) zero (B) 45 (C) 90 (D) 120
(A) zero (B) 45 (C) 90 (D) 120