MEDIUM
10th ICSE
IMPORTANT
Earn 100

When does a body rotate? State one way to change the direction of rotation of the body. Give a suitable example to explain your answer.

Important Questions on Force

EASY
10th ICSE
IMPORTANT
Write the expression for the moment of force about a given axis.
EASY
10th ICSE
IMPORTANT
State one way to reduce the moment of a given force about a given axis of rotation.
EASY
10th ICSE
IMPORTANT
State one way to obtain a greater moment of a force about a given axis of rotation.
EASY
10th ICSE
IMPORTANT
What do you understand by the clockwise and anticlockwise moment of force? When is it taken positive?
EASY
10th ICSE
IMPORTANT
Why is it easier to open a door by applying the force at the free end of it ?
EASY
10th ICSE
IMPORTANT
The stone of hand flour grinder is provided with a handle near its rim. Give reason.
EASY
10th ICSE
IMPORTANT
It is easier to turn the steering wheel of a large diameter than that of a small diameter. Give reason.
EASY
10th ICSE
IMPORTANT
A spanner (or wrench) has a long handle. Why?