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प्रश्न
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.
पर्याय
True
False
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Friction opposes the ______ between the surfaces in contact with each other.
Write true or false.
The sliding friction is more than the rolling friction.
When you apply brakes, the bicycle stops and the rim of the wheel becomes hot? Explain the reason.
State if the following statement is true or false. Correct the statement if it is false.
Like charges always attract each other.
Answer the following in a word or two or in a sentence.
Which type of force acts on a string pulled from both ends?
Answer the following in detail.
What are the various effects of force? State one example of each.
Tick the most appropriate answer.
A car skids on a wet or muddy road due to
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 |
In figure, a boy is shown pushing the box from right to left. The force of friction will act on the box
Assertion: We can live very happily if friction is not present in nature.
Reason: The airplane shape is streamlined to reduce the effort of frictional force.
