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प्रश्न
Fill in the blank.
.................... is the SI unit of force.
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उत्तर
Newton is the SI unit of force.
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संबंधित प्रश्न
Friction depends on the ______ of surfaces.
Write true or false.
The sliding friction is more than the rolling friction.
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 short.
What do you understand by normal force?
Fill in the blank.
Rolling friction offers ............. resistance than sliding friction.
Tick the most appropriate answer.
Friction produces
Fill in the blank.
Smoother the surface, ................. is the frictional force offered by it.
Fill in the blank.
Bicycles use ...................... to reduce friction between the pedals and the crank
Answer the following in short.
How can sliding friction be changed into rolling friction easily?
Is there any possibility of making a special device to measure the magnitude of friction directly?
