Advertisements
Advertisements
प्रश्न
Write an expression for the work done when a force is acting on an object in the direction of its displacement.
Advertisements
उत्तर
When a force F displaces a body through a distance S in the direction of the applied force, then the work done W on the body is given by the expression:
Work done = Force × Displacement
W = F × s
APPEARS IN
संबंधित प्रश्न
A pair of bullocks exerts a force of 140 N on a plough. The field being ploughed is 15 m long. How much work is done in ploughing the length of the field?
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°?
What do you mean by a kilo joule?
On what factors does the work done by a force depend?
A machine raises a load of 750 N through a height of 16 m in 5s. calculate:
(i) work done by machine,
(ii) power at which the machine works.
Fill in the boxe to show the corresponding energy transformation.
State whether work is done or not, by writing yes or no, in the following case:
A man pushes a wall.
