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संबंधित प्रश्न
An object thrown at a certain angle to the ground moves in a curved path and falls back to the ground. The initial and the final points of the path of the object lie on the same horizontal line. What is the work done by the force of gravity on the object?
Why is a jack screw provided with a long arm?
State two disadvantages of producing hydroelectricity.
A force of 50 N acts on a body and moves it a distance of 4 m on horizontal surface. Calculate the work done if the direction of force is at an angle of 60° to the horizontal surface.
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?
Complete the following sentences:
The SI unit of work is ....... and of power is .......
Name the physical quantity whose MKS units are kgm2s-3.
