Advertisements
Advertisements
प्रश्न
Rolling friction is slightly greater than sliding friction.
विकल्प
True
False
Advertisements
उत्तर
Rolling friction is slightly greater than the sliding friction- False.
Correct statement:
Rolling friction is slightly lesser than sliding friction.
APPEARS IN
संबंधित प्रश्न
Write true or false.
The sliding friction is more than the rolling friction.
Name the three kinds of friction.
When you apply brakes, the bicycle stops and the rim of the wheel becomes hot? Explain the reason.
The eraser gets smaller and smaller as you use it more and more. Explain the reason.
Fill in the blank.
.................... is the SI unit of force.
Fill in the blank.
More the roughness of a surface, greater is the ........................
Fill in the blank.
Rolling friction is ........... than sliding friction.
Answer the following in detail.
Define friction and explain how it is useful to us.
Why is a ball bearing used in a cycle hub?
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.
