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प्रश्न
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उत्तर
1 H.P. = 0.746 kW
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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?
Work done by a boy depends on the time in which he does work.
Define work.
Name the forms of energy which a wound-up watch spring possesses.
MULTIPLE CHOICE TYPE
In an electric cell which in use, the change in energy is from:
Name the physical quantity whose SI unit is Nm.
State the conditions of equilibrium for a rigid body.
What is the work done when the object acted upon by a force remains at rest?
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
A donkey is carrying a load on its back.
