Advertisements
Advertisements
प्रश्न
Define rolling friction
Advertisements
उत्तर
The minimum force required to roll a body on a surface is called the force of rolling friction.
APPEARS IN
संबंधित प्रश्न
When a glass rod is rubbed with a piece of silk cloth the rod ______.
State two factors which directly affect the force of friction.
Name the three kinds of friction.
Fill in the blank.
Rolling friction offers ............. resistance than sliding friction.
Fill in the blank.
Weight remaining the same, friction is independent of ............. of surface in contact.
Tick the most appropriate answer.
Friction for an object can be reduced by
Fill in the blank.
Friction depends upon the ............... of an object.
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?
Assertion: There is a danger of a vehicle skidding on a wet road.
Reason: The tires of the vehicle lose their grip on the road due to an increase in friction due to the presence of water on the road.
