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प्रश्न
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.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Sometimes, a crackling sound is heard while taking off a sweater during winters. Explain.
Give an example to illustrate the existence of the force of friction.
Arrange the following in descending order:
- static friction
- sliding friction and
- rolling friction?
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.
Answer the following in detail.
What are the various effects of force? State one example of each.
Fill in the blank.
Rolling friction offers ............. resistance than sliding friction.
State if the following statement is true or false. Correct the statement if it is false.
Friction helps us to grip the objects in our hand.
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?
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 |
