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प्रश्न
Answer the following in short.
How can sliding friction be changed into rolling friction easily?
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उत्तर
Sliding friction can be changed into rolling friction easily by providing wheels or ball bearings to the objects to reduce friction and facilitate easy movement.
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संबंधित प्रश्न
Friction depends on the ______ of surfaces.
Explain why sportsmen use shoes with spikes.
Fill in the blank.
We use ball bearings to .................. the friction.
Answer the following in detail.
What are the various effects of force? State one example of each.
Tick the most appropriate answer.
Friction for an object can be reduced by
Fill in the blank.
Rolling friction is ........... than sliding friction.
Answer the following in short.
List the various states of matter that offer frictional force?
A moving body comes to rest due to friction alone.
Is there any possibility of making a special device to measure the magnitude of friction directly?
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.
