Question

1. Si unit of work is Joule
2 The potential energy possessed by a body by virtue of its position in a gravitational field is called its
3. Energy can neither be created nor destroyed but can only
4. As mass m and v2 are always positive, therefore
5. When the pendulum oscillates it has
.... at the extreme positions and
.......... is always positive ie, cannot be negative
at the mean
positions.​

Answer 1

Answer:

2) Gravitational potential energy.

3) be changed from one form to another.

4) kinetic energy is positive

5) kinetic energy