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प्रश्न
Fill in the blank.
We use ball bearings to .................. the friction.
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उत्तर
We use ball bearings to reduce the friction.
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संबंधित प्रश्न
Give an example to illustrate the existence of the force of friction.
Define sliding friction
Fill in the blank.
More the roughness of a surface, greater is the ........................
Fill in the blank.
Rolling friction offers ............. resistance than sliding friction.
Tick the most appropriate answer.
Friction is offered by
Fill in the blank.
Rolling friction is ........... than sliding friction.
Answer the following in short.
How can sliding friction be changed into rolling friction easily?
How do you feel when you touch a nail immediately after it is hammered into a wooden plank? Why?
Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play
In the following figure, a boy is shown pushing the box from right to left. The force of friction will act on the box
