Suffocation3895 Suffocation3895
  • 22-02-2024
  • Physics
contestada

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

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