Advertisements
Advertisements
Question
Its moment of a force scalar or a vector quantity?
Advertisements
Solution
The moment of force is a vector quantity.
APPEARS IN
RELATED QUESTIONS
In each of the following a force, F is acting on an object of mass, m. The direction of displacement is from west to east, as shown by the longer arrow. Observe the diagrams carefully and state whether the work done by the force is negative, positive or zero.

MULTIPLE CHOICE TYPE
In an electric cell which in use, the change in energy is from:
How much energy is gained by a box of mass 20 kg when a man, carrying the box waits for 5 minutes for a bus?
Write the formula for work done on a body when the body moves at an angle to the direction of force. Give the meaning of each symbol used.
Is the motion of moon around the earth in circular path an accelerated motion?
What is the ratio of SI units to CGS units of 'work'?
Give an example
Electrical energy changes to heat energy.
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
An engine is pulling a train.
