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प्रश्न
Write true or false.
Liquids offer more friction than the gases.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Give examples to show that friction is both a friend and a foe.
Sometimes, a crackling sound is heard while taking off a sweater during winters. Explain.
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When you apply brakes, the bicycle stops and the rim of the wheel becomes hot? Explain the reason.
Tick the most appropriate answer.
Friction is offered by
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 helps us to grip the objects in our hand.
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.
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
Complete the analogy.
Knot in a thread : ______ friction :: Ball bearing : ______ friction.
