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प्रश्न
Work done by a force is equal to the product of ....... and ....
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उत्तर
Applied force, displacement in the direction of the applied force.
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संबंधित प्रश्न
When a body moves in a circular path, how much work is done by the body? Give reason.
(Hint: The body is acted upon by the centripetal force.)
State and define the S.I. unit of work.
How is kilowatt hour related to joule?
State two factors on which power spent by a source depends. Explain your answer with examples.
An ox can apply a maximum force of 1000 N. It is taking part in a cart race and is able to pull the cart at a constant speed of 30 ms-1 while making its best effort. Calculate the power developed by the ox.
What do you mean by uniform circular motion?
How much force is applied on a body when 150 J of work is done in displacing the body through a distance of 10 m in the direction of the force?
How is 1 kgf related to the SI unit of force?
Relate 1 KWh (kilowatt hour) with joule.
Calculate the work done when:
A car is moved on a rough road through 30 m against a frictional resistance of 75 N.
