Question

True or False
(a) Energy is not wasted in friction.
(b) Burning of matchsticks takes place by friction only.
(c) Fraction is not responsible for wear and Tear of machine parts.
(d) Fraction help in a applying breaks ​

Answer 1

Answer:

a) False

b) True

c) False

d) True

Explanation:

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Answer 2

Answer:

1) False

2) True

3) False

4) True

Explanation:

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