Advertisements
Advertisements
प्रश्न
Name the two kinds of forces in nature.
Advertisements
उत्तर
Two kinds of forces in nature are :
- Contact forces
- Non-contact forces
APPEARS IN
संबंधित प्रश्न
The eraser gets smaller and smaller as you use it more and more. Explain the reason.
Define rolling friction
State if the following statement is true or false. Correct the statement if it is false.
If two forces acting in opposite directions on a body arc of equal magnitude, then the body will not move.
Answer the following in short.
Define force. Write its SI unit.
Tick the most appropriate answer.
Force of friction comes into play when a/an
Fill in the blank
Rolling friction is ............. than sliding friction.
Answer the following in short.
List the various states of matter that offer frictional force?
A moving body comes to rest due to friction alone.
Rolling friction is slightly greater than sliding friction.
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 |
