Advertisements
Advertisements
Question
Advertisements
Solution
'Work' is said to be done when the applied force makes the body move i.e., there is a displacement of body.
It is equal to the product of force and the displacement of the point of application of the force in the direction of force.
APPEARS IN
RELATED QUESTIONS
Soni says that the acceleration in an object could be zero even when several forces are acting on it. Do you agree with her? Why?
Name the forms of energy which a wound-up watch spring possesses.
What should be the angle between the direction of force and the direction of motion of a body so that the work done is zero?
A girl weighing 400 N climbs a vertical ladder. If the value of g be 10 m s−2, the work by her after climbing 2 m will be :
Choose one or more correct alternatives.
Joule is the unit of ______.
- force
- work
- power
- energy
The work done on an object does not depend on ______.
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
Food grains are getting dried in the sun.
