EASY
8th CBSE
IMPORTANT
Earn 100

Mention three types of forces which can act from a distance.

Important Questions on Force and Pressure

MEDIUM
8th CBSE
IMPORTANT
Mention three disadvantages of friction between the parts of a machine.
EASY
8th CBSE
IMPORTANT
What is pressure? What is the SI unit of pressure?
MEDIUM
8th CBSE
IMPORTANT
Why is the cutting edge of a knife made sharp?
MEDIUM
8th CBSE
IMPORTANT
What makes a coaster placed over the rim of a glass of water stick even when you invert it?
EASY
8th CBSE
IMPORTANT
What is the SI unit of force?
MEDIUM
8th CBSE
IMPORTANT
Give two examples of situations in which it is helpful to increase friction.
MEDIUM
8th CBSE
IMPORTANT
What is a streamlined body? How is it helpful for a body to have such a shape?
MEDIUM
8th CBSE
IMPORTANT

How does oiling help reduce friction?