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प्रश्न
Work done = Force × ........................................
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उत्तर
Work done = Force ×distance moved in direction of force.
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संबंधित प्रश्न
A force acts on a body and displaces it by a distance S in a direction at an angle θ with the direction of the force. What should be the value of θ to get the maximum positive work?
A coolie is moving on a road with a luggage on his head. Does he perform work against the force of gravity? Give reason for your answer.
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°?
How much work is done by the gravitational force of earth acting on a satellite moving around it in a circular path? Give reason for your answer.
Why is the work done on an object moving with uniform circular motion zero?
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
List any six forms of energy and write a short note on each of them.
State whether work is done or not, by writing yes or no, in the following case:
A boy climbs up 20 stairs.
