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प्रश्न
Fill in the blank.
Friction is a type of .................
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उत्तर
Friction is a type of contact force.
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संबंधित प्रश्न
Friction depends on the ______ of surfaces.
Select the correct alternative.
Friction is reduced by
What is the cause of friction?
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.
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.
Rolling friction is ........... than sliding friction.
State if the following statement is true or false. Correct the statement if it is false.
Friction has no relation with our walking or running.
Answer the following in short.
Define rolling friction and give an example where rolling. friction comes into play.
Rolling friction is slightly greater than sliding friction.
Complete the analogy.
Knot in a thread : ______ friction :: Ball bearing : ______ friction.
