Question

2. State the conditions under which work is said to have been done.
3. Name any three different forms of energy.​

Answer 1

Answer:

2.The conditions under which work is said to be done are:-

i. Force is applied on an object, i.e, a push or pull, that makes it move. For example, pressing a key on a keyboard.

ii.When an object is pulled up or pushed down. For example, lifting a suitcase

3.Any three different forms of energy are :-

i. Nuclear

ii. Light

iii. Heat

Answer 2

Answer:

when the body is put in motion and changes from its original position the work is said to be done

Explanation:

1.kinetic energy

2.potentional energy

3. gravitational energy