EASY
6th ICSE
IMPORTANT
Earn 100

List three ways of reducing friction.

Important Questions on Force

EASY
6th ICSE
IMPORTANT
It is difficult to open an inkpot with greasy or oily hands. Explain.
EASY
6th ICSE
IMPORTANT
It is difficult to walk on a wet road. Explain.
EASY
6th ICSE
IMPORTANT
Give three examples to illustrate that friction is a necessary evil.
EASY
6th ICSE
IMPORTANT
Define static friction.
EASY
6th ICSE
IMPORTANT
Define sliding friction.
EASY
6th ICSE
IMPORTANT
Define rolling friction.
EASY
6th ICSE
IMPORTANT
Arrange the following in descending order of magnitude : (i) static friction (ii) sliding friction and (iii) rolling friction?
MEDIUM
6th ICSE
IMPORTANT
A body needs a force F1 just to start motion on a surface, a force F2 to continue its motion and a force F3 to roll on the surface. What is (i) the static friction (ii) sliding friction and (iii) rolling friction? State whether F2 is equal, less than or greater than (i) F1 and (ii) F3.