EASY
8th CBSE
IMPORTANT
Earn 100

Explain why the tip of a sewing needle is sharp

Important Questions on Force and Pressure

MEDIUM
8th CBSE
IMPORTANT

Explain why, snow shoes stop you from sinking into snow.

MEDIUM
8th CBSE
IMPORTANT
 Explain why, when a person stands on a cushion, the depression is much more than when he lies down 
MEDIUM
8th CBSE
IMPORTANT
Explain why, porters place a thick round piece of cloth on their heads when they have to carry heavy loads.
MEDIUM
8th CBSE
IMPORTANT
Give one practical application of magnetic force.
EASY
8th CBSE
IMPORTANT
What is meant by a contact force? Explain with the help of an example.
EASY
8th CBSE
IMPORTANT

What is meant by a non-contact force? Explain with the help of an example.

EASY
8th CBSE
IMPORTANT
Define frictional force (or friction). 
EASY
8th CBSE
IMPORTANT
Explain why the frictional force is said to be a contact force.