Advertisements
Advertisements
प्रश्न
Answer the following.
What do you understand by a force?
Advertisements
उत्तर
Force is a push or pulls acting upon an object as a result of its interaction with another object.
APPEARS IN
संबंधित प्रश्न
A charged glass rod attracts a charged plastic straw.
What is the cause of friction?
The eraser gets smaller and smaller as you use it more and more. Explain the reason.
Fill in the blank.
Rolling friction offers ............. resistance than sliding friction.
Fill in the blank.
Sliding friction and rolling friction are types of .................. friction.
Tick the most appropriate answer.
Friction for an object can be reduced by
Fill in the blank.
Smoother the surface, ................. is the frictional force offered by it.
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 detail.
Define friction and explain how it is useful to us.
We have two identical metal sheets. One of them is rubbed with sand paper and the other with ordinary paper. The one rubbed with sand paper shines more than the other. Give reason.
