Which one of the following is wrong?
1
An object that has the ability to do work is said to have energy. The unit of energy is same that of work.
2
Power is defined as the rate at which work is done. The SI unit of power is the watt. 1 W = 2 J/S
3
Energy is present in nature in many forms.
4
If the displacement of the object is zero, then the work done by the force on the object will be zero.