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प्रश्न
Tick the most appropriate answer.
A car skids on a wet or muddy road due to
विकल्प
increased friction between the road and the tires.
lubrication of brakes on a wet road.
reduced friction between the road and the tires.
streamlined shape of the car
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उत्तर
reduced friction between the road and the tires.
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संबंधित प्रश्न
Give three examples to illustrate that friction is a necessary evil.
Define static friction
Arrange the following in descending order:
- static friction
- sliding friction and
- rolling friction?
Fill in the blank.
Friction is a type of .................
A moving body comes to rest due to friction alone.
How do you feel when you touch a nail immediately after it is hammered into a wooden plank? Why?
Is there any possibility of making a special device to measure the magnitude of friction directly?
In the following figure, a boy is shown pushing the box from right to left. The force of friction will act on the box
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
Assertion: Friction always opposes the motion.
Reason: Whenever one surface moves or tries to move over another surface, the force of friction starts acting on the surfaces.
