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प्रश्न
Fill in the blank.
The force of friction acting between two bodies in contact while at rest is known as ................ friction.
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उत्तर
The force of friction acting between two bodies in contact while at rest is known as static friction.
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संबंधित प्रश्न
List three ways of reducing friction.
Fill in the blank.
.................... is the SI unit of force.
Fill in the blank.
More the roughness of a surface, greater is the ........................
Tick the most appropriate answer.
Friction is offered by
Fill in the blank.
Rolling friction is ........... 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.
Why is difficult for a pen to leave a mark on a highly smooth plastic sheet?
Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play
Analogy
Objects placed at rest on earth: ______:: Bodies slide over the surface on other body: ______.
Complete the analogy.
Knot in a thread : ______ friction :: Ball bearing : ______ friction.
