Advertisements
Advertisements
प्रश्न
Fill in the blank.
Bicycles use ...................... to reduce friction between the pedals and the crank
Advertisements
उत्तर
Bicycles use ball bearings to reduce friction between the pedals and the crank.
APPEARS IN
संबंधित प्रश्न
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?
Write true or false.
The sliding friction is more than the rolling friction.
Fill in the blank.
We use ball bearings to .................. the friction.
Define sliding 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.
Tick the most appropriate answer
Friction always
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 short.
List the various states of matter that offer frictional force?
In the following figure, a boy is shown pushing the box from right to left. The force of friction will act on the box
