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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3
Answer:
b] is the right answer of this question
Answered by
3
Answer:
Explanation:
a. when we put brakes on a fat moving car then it produces heat because friction on the tires increase and since, road is a rough surface friction produces a lot of heat.
b. the reason is that when we jump up and down , we tempt to increase the flow of blood in our body and also fasting up the beating of our heart . we also tempt to burn calories and fats which in turn produces heat .
Hence, while jumping up and down we feel warmer .
both options are correct
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