Question

What is the cause of heat generation in the following situations:
(a) We apply brakes on our fast moving car.
(b) People often jump up and down to feel warmer in cold weather.
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Answer 1

Answer:

answer is here mate

a. apply brakes in our fast moving car the car stores because of the friction between the road and the tire and and also because the friction between the rim and the brake shoes

b. in the cold weather places people often jump to jump because to keep their body warm jumping up and down keep the human body warm

Explanation:

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Answer 2

a. If we apply brakes on our fast moving car it leads to an accident because the applying of sudden brakes the tires will no get much friction.

b. It is because of jumping our body will consume some heat energy due to jumping.

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