A student pushes a rigid wall with a steady force of for but the wall does not move

PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy

Problem

A student pushes a rigid wall with a steady force of

200\,\text{N}

for

10\,\text{s}

but the wall does not move. What is the average power developed by the student on the wall? (a)

2000\,\text{W}

(b)

200\,\text{W}

(c)

0\,\text{W}

(d)

20\,\text{W}