AP EAMCET202021 Sep 2020Evening ShiftPhysicsWork, Power and EnergyActual
A man pushes the wall and fails to displace it. He does
Options
- Anegative work
- Bpositive but not maximum work
- Cno work at all
- Dmaximum work
Correct answer
C. no work at all
Step-by-step solution
When man pushes the wall, then he does not produce any displacement in the wall. ( aligned & i.e., displacement =0 Work done & = Force Displacement & = Force 0=0 aligned )