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प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
Friction has no relation with our walking or running.
विकल्प
True
False
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उत्तर
False.
Friction helps us with our walking or running.
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संबंधित प्रश्न
List three ways of reducing friction.
Answer the following in detail.
What are the various effects of force? State one example of each.
Tick the most appropriate answer
Friction always
Tick the most appropriate answer.
If you pour some oil onto a floor, the friction would
State if the following statement is true or false. Correct the statement if it is false.
Friction helps us to grip the objects in our hand.
Answer the following in a word or two or in a sentence.
Why is difficult for a pen to leave a mark on a highly smooth plastic sheet?
Answer the following in detail.
Define friction and explain how it is useful to us.
A moving body comes to rest due to friction alone.
Assertion: We can live very happily if friction is not present in nature.
Reason: The airplane shape is streamlined to reduce the effort of frictional force.
Assertion: There is a danger of a vehicle skidding on a wet road.
Reason: The tires of the vehicle lose their grip on the road due to an increase in friction due to the presence of water on the road.
