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प्रश्न
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.
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उत्तर
It is because when the object is at rest, static friction occurs. The static friction is maximum when the applied force is just short of the force required to start motion between the two bodies in contact. Once the object starts moving, friction (resistance) we feel decreases.
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संबंधित प्रश्न
Friction opposes the ______ between the surfaces in contact with each other.
Fill in the blank.
We use ball bearings to .................. the friction.
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.
If you pour some oil onto a floor, the friction would
Fill in the blank.
Friction depends upon the ............... of an object.
Fill in the blank.
Bicycles use ...................... to reduce friction between the pedals and the crank
Answer the following in a word or two or in a sentence.
Name the force responsible for opposing the motion between two bodies in contact.
A moving body comes to rest due to friction alone.
Explain how friction can be minimized.
Friction depends on the ______ of two surfaces in contact.
