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प्रश्न
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.
विकल्प
True
False
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उत्तर
True
APPEARS IN
संबंधित प्रश्न
Give examples to show that friction is both a friend and a foe.
Fill in the blank.
.................... is the SI unit of force.
Answer the following in detail.
What are the various effects of force? State one example of each.
Fill in the blank.
More the roughness of a surface, greater is the ........................
Fill in the blank.
The force of friction acting between two bodies in contact while at rest is known as ................ friction.
Tick the most appropriate answer.
Friction for an object can be reduced by
State if the following statement is true or false. Correct the statement if it is false.
Friction is offered by all the three states of matter.
Answer the following in short.
List the various states of matter that offer frictional force?
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
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.
