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प्रश्न
Tick the most appropriate answer.
If you pour some oil onto a floor, the friction would
विकल्प
increase
decrease
remain the same
none of these
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उत्तर
decrease
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संबंधित प्रश्न
Friction opposes the ______ between the surfaces in contact with each other.
Suppose your writing desk is tilted a little. A book kept on it starts sliding down. Show the direction of frictional force acting on it.
Name the two kinds of forces in nature.
When you apply brakes, the bicycle stops and the rim of the wheel becomes hot? Explain the reason.
Answer the following in a word or two or in a sentence.
Which type of force acts on a string pulled from both ends?
Fill in the blank.
Rolling friction offers ............. resistance than sliding friction.
Fill in the blank.
Sliding friction and rolling friction are types of .................. friction.
Tick the most appropriate answer.
Friction produces
Fill in the blank.
Friction depends upon the ............... of an object.
Why is a ball bearing used in a cycle hub?
