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प्रश्न
Tick the most appropriate answer.
Friction produces
विकल्प
heat
change of state
electricity
pressure
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उत्तर
heat
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संबंधित प्रश्न
Write true or false.
The sliding friction is more than the rolling friction.
Select the correct alternative.
Friction is reduced by
Name the three kinds of friction.
Define sliding 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 a word or two or in a sentence.
Which type of force acts on a string pulled from both ends?
Answer the following in a word or two or in a sentence.
Why does a rolling ball stop after moving some distance?
Answer the following in detail.
Write the characteristics of the force of friction?
Is there any possibility of making a special device to measure the magnitude of friction directly?
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
