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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
In each of the following a force, F is acting on an object of mass, m. The direction of displacement is from west to east, as shown by the longer arrow. Observe the diagrams carefully and state whether the work done by the force is negative, positive or zero.
When does a force perform work?
What happens to the work done when the dispacement of body is at right angles to the direction of force acting on it? Explain your answer.
Ravi applied a force of 10 N and moved a book 30 cm in the direction of the force. How much was the work done by Ravi?
The work done on an object does not depend on ______.
Draw a neat labeled diagram to show the direction of two forces acting on a body to produce rotation in it. Also mark the point about which rotation takes place.
A boy does work when he pushes against a brick wall. (yes/no).
Fill in the boxe to show the corresponding energy transformation.
State the energy changes which take place when A toy car with a wound spring moves on ground.
The work done by the heart is 1 Joule per beat. Calculate the power of the heart if it beats 72 times in one
