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प्रश्न
Answer the following in a word or two or in a sentence.
Name the force responsible for opposing the motion between two bodies in contact.
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उत्तर
Frictional force (friction)
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संबंधित प्रश्न
Friction depends on the ______ of surfaces.
Give examples to show that friction is both a friend and a foe.
When a glass rod is rubbed with a piece of silk cloth the rod ______.
Write true or false.
The sliding friction is more than the rolling friction.
State two factors which directly affect the force of friction.
Define rolling friction
Fill in the blank.
.................... is the SI unit of force.
Fill in the blank.
More the roughness of a surface, greater is the ........................
Match the following.
| Column I | Column II | |
| a) | Static friction | viscosity |
| b) | Kinetic friction | least friction |
| c) | Rolling friction | objects are in motion |
| d) | Friction between the liquid layers | objects are sliding |
| e) | Sliding friction | objects are at rest |
Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play
