Question

True or False

1. Energy can neither be created nor be destroyed.
2. The SI unit of energy is same as that of work.
3. An arrow on a stretched bow possesseselastic potential energy.
4. Kinetic energy possessed by a movingobject is directly proportional to its speed.
5. When a matchstick is rubbed against a match box, heat and light are produced at the expense of kinetic energy.
6. An electromagnet converts electrical energy into magnetic energy.
7. A windmill utilises kinetic energy of air to do mechanical work.
8. Mechanical energy is produced
on burning a fuel.​

Answer 1

Answer:

1. true
2. false
3. true
4. false
5. true
6. true
7. true
8. false

Explanation:

hope right now my answer

Answer 2

Answer:

Explanation:

3 true

6 true

Rest i don't know

Please make me brainlest