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प्रश्न
Name the physical quantity associated with the 'rate of doing work'.
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उत्तर
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संबंधित प्रश्न
State two conditions when no work is done by a force.
The work done by a force acting obliquely is given by the formula : W = F cos θ ✕ s. What will happen to the work done if angle θ between the direction of force and motion of the body is increased gradually? Will it increase, decrease or remain constant.
Determine the amount of work done when an object is displaced at an angle of 30° with respect to the direction of the applied force.
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
On what factors does the work done by a force depend?
List any six forms of energy and write a short note on each of them.
A man squatting on the ground gets straight up and stand. The force of reaction of ground on the man during the process is ______.
