Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
Work done depends upon:
(i) the magnitude and direction of the applied force, and
(ii) the displacement it produces.
APPEARS IN
संबंधित प्रश्न
A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force (see the given figure). Let us take it that the force acts on the object through the displacement. What is the work done in this case?
What are the two kinds of mechanical energy?
Is work a scalar or a vector quantity?
In which of the following case the work done by a force will be maximum : when the angle between the direction of force and direction of motion is 0° or 90°?
Choose one or more correct alternatives.
For work to be performed, energy must be ______.
- transferred from one place to another
- concentrated
- transformed from one type to another
- destroyed
State the energy changes which take place when A piece of magnesium wire is burnt in a jar of oxygen.
What is the difference between renewable and non-renewable resources?
A man squatting on the ground gets straight up and stand. The force of reaction of ground on the man during the process is ______.
