Advertisements
Advertisements
Question
Fill in the blank.
The force of friction acting between two bodies in contact while at rest is known as ................ friction.
Advertisements
Solution
The force of friction acting between two bodies in contact while at rest is known as static friction.
APPEARS IN
RELATED QUESTIONS
What is the cause of friction?
State two factors which directly affect the force of friction.
Give three examples to illustrate that friction is a necessary evil.
Tick the most appropriate answer.
Friction is offered by
Fill in the blank.
Bicycles use ...................... to reduce friction between the pedals and the crank
Answer the following in short.
Define rolling friction and give an example where rolling. friction comes into play.
Answer the following in short.
How can sliding friction be changed into rolling friction easily?
Answer the following in detail.
Define friction and explain how it is useful to us.
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 |
Why is a ball bearing used in a cycle hub?
