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प्रश्न
Answer the following in short.
How can sliding friction be changed into rolling friction easily?
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
Name the three kinds of friction.
Define static friction
Arrange the following in descending order:
- static friction
- sliding friction and
- rolling friction?
State if the following statement is true or false. Correct the statement if it is false.
If two forces acting in opposite directions on a body arc of equal magnitude, then the body will not move.
Answer the following in detail.
What are the various effects of force? State one example of each.
Fill in the blank.
More the roughness of a surface, greater is the ........................
Fill in the blank.
Sliding friction and rolling friction are types of .................. friction.
State if the following statement is true or false. Correct the statement if it is false.
Friction has no relation with our walking or running.
Explain how friction can be minimized.
Assertion: We can live very happily if friction is not present in nature.
Reason: The airplane shape is streamlined to reduce the effort of frictional force.
