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प्रश्न
Fill in the blank.
Friction is a type of .................
उत्तर
Friction is a type of contact force.
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संबंधित प्रश्न
Friction opposes the ______ between the surfaces in contact with each other.
Write true or false.
Liquids offer more friction than the gases.
List three ways of reducing friction.
Fill in the blank.
Sliding friction and rolling friction are types of .................. friction.
Tick the most appropriate answer.
Friction produces
Fill in the blank.
Smoother the surface, ................. is the frictional force offered by it.
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.
When you push something heavy, the resistance you feel decreases as soon as the object starts moving. Explain the reason.
Answer the following in short.
How can sliding friction be changed into rolling friction easily?
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
