F. State whether the following statements
are true or false. If false, rewrite the
correct form of statements.
1. Energy can neither be created nor be
destroyed.
T
2. The SI unit of energy is same as that of work. T 2.
3. An arrow on a stretched bow possesses
elastic potential energy. T
4. Kinetic energy possessed by a moving
object is directly proportional to its speed.
5. When a matchstick is rubbed against a
matchbox, 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.
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Answer:
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