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प्रश्न
Work is said to be done by a forte only when ................
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उत्तर
Work is said to be done by a forte only when the body moves.
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संबंधित प्रश्न
Define 1 joule of energy.
What are the quantities on which the amount of work done depends? How are they related to work?
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.
What is the work done when the object acted upon by a force remains at rest?
A canon ball of mass 500g is fired with a speed of 15m/s-1. Find: its momentum.
A water pump raises 50 kg of water through a height of 25 m in 5s. Calculate the power supplied by the pump (Take: g = 10 N kg−1).
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
Suma is swimming in a pond.
