Advertisements
Advertisements
Question
Define rolling friction
Advertisements
Solution
The minimum force required to roll a body on a surface is called the force of rolling friction.
APPEARS IN
RELATED QUESTIONS
Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why?
Select the correct alternative.
Friction is reduced by
Arrange the following in descending order:
- static friction
- sliding friction and
- rolling friction?
Answer the following in short.
Define force. Write its SI unit.
Fill in the blank.
Rolling friction offers ............. resistance than sliding friction.
Fill in the blank.
Sliding friction and rolling friction are types of .................. friction.
Fill in the blank
Rolling friction is ............. than sliding friction.
Fill in the blank.
Bicycles use ...................... to reduce friction between the pedals and the crank
Answer the following in short.
When you push something heavy, the resistance you feel decreases as soon as the object starts moving. Explain the reason.
In the following figure, a boy is shown pushing the box from right to left. The force of friction will act on the box
