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प्रश्न
Fill in the blank.
We use ball bearings to .................. the friction.
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उत्तर
We use ball bearings to reduce the friction.
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संबंधित प्रश्न
Select the correct alternative.
Friction is reduced by
Arrange the following in descending order:
- static friction
- sliding friction and
- rolling friction?
State if the following statement is true or false. Correct the statement if it is false.
Like charges always attract each other.
Fill in the blank.
The force of friction acting between two bodies in contact while at rest is known as ................ friction.
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.
Describe three different ways by which friction can be increased to help us in various situations?
How do you feel when you touch a nail immediately after it is hammered into a wooden plank? Why?
Explain how friction can be minimized.
Friction depends on the ______ of two surfaces in contact.
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
