Question

A boy tries to push a truck parked on the roadside .the truck does not move at all . another boy pushes a bicycle .the bicycle moves through a certain distance. In which case was the work done more :on the truck or on the bicycle? Give reason to support your answer.

Answer 1

Work done is done more on pushing a bicycle as when you push a bicycle displacement is produced and work done =Force *Displacement
In case of truck no displacement is produced so the work done will be 0.

Answer 2

Ram tries to push a bus parked on the roadside the bus not move at all use a bicycle bicycle move through a certain distance ,in which case is work said to be done ,if work is done which is the force acting on the object, ,what is the object on which work is done ,what happened to the object on which work is done ,give a situation when an object is placed in the absence of force acting on it ? mn