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प्रश्न
Fill in the blank.
Friction depends upon the ............... of an object.
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उत्तर
Friction depends upon the weight of an object.
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संबंधित प्रश्न
Sometimes, a crackling sound is heard while taking off a sweater during winters. Explain.
The eraser gets smaller and smaller as you use it more and more. Explain the reason.
Fill in the blank.
The force of friction acting between two bodies in contact while at rest is known as ................ friction.
Fill in the blank
Rolling friction is ............. than sliding friction.
Fill in the blank.
Friction is a type of .................
Answer the following in detail.
Write the characteristics of the force of friction?
A moving body comes to rest due to friction alone.
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 |
Explain how friction can be minimized.
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
