Advertisements
Advertisements
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 |
Advertisements
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 |
APPEARS IN
संबंधित प्रश्न
Sometimes, a crackling sound is heard while taking off a sweater during winters. Explain.
Write true or false.
The sliding friction is more than the rolling friction.
Answer the following in a word or two or in a sentence.
Why does a rolling ball stop after moving some distance?
Fill in the blank.
The force of friction acting between two bodies in contact while at rest is known as ................ friction.
Tick the most appropriate answer.
Friction produces
Answer the following in detail.
Describe three different ways by which friction can be increased to help us in various situations?
Explain how friction can be minimized.
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
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
