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प्रश्न
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 |
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उत्तर
| Column I | Column II | |
| a) | Static friction | objects are at rest |
| b) | Kinetic friction | objects are in motion |
| c) | Rolling friction | least friction |
| d) | Friction between the liquid layers | viscosity |
| e) | Sliding friction | objects are sliding |
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संबंधित प्रश्न
Write true or false.
Liquids offer more friction than the gases.
Give three examples to illustrate that friction is a necessary evil.
A body needs a force F1 just to start moving on a surface, a force F2 to continue its motion and a force F3 to roll on the surface. What is
- the static friction
- sliding friction and
- rolling friction? State whether F2 is equal, less than or greater than (1) F1 and (2) F3.
Fill in the blank.
Friction is a type of .................
State if the following statement is true or false. Correct the statement if it is false.
Friction has no relation with our walking or running.
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.
Answer the following in detail.
Write the characteristics of the force of friction?
Answer the following in detail.
Describe three different ways by which friction can be increased to help us in various situations?
In the following figure, a boy is shown pushing the box from right to left. The force of friction will act on the box
Friction depends on the ______ of two surfaces in contact.
