Home › CBSE Class 11 (Science) › Physics › Work, Energy and Power › You push hard against a rigid brick wall. Work d…
You push hard against a rigid brick wall. Work done on the wall is
AZero
BNegative
CPositive
DLarge
Answer & Solution
Correct answer: A. Zero
The wall does not move, so no work is done on it even though your muscles tire.
Related questions
Horse-power is still commonly used to describe the output of:The potential energy of a body under a conservative force is always fixed only up to:Power, like work and energy, is what kind of physical quantity?The work-energy theorem holds in which frames of reference?Total mechanical energy of a body stays constant provided the only forces acting on it areAfter which inventor is the SI unit of power named?A motor pulls with a force of 22000 N at a steady 2 m/s. What power does it supply?During an elastic collision, the kinetic energy of the system at each instant of contact i