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प्रश्न
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उत्तर
The SI unit of centripetal force is newton (N).
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संबंधित प्रश्न
The work done by a fielder when he takes a catch in a cricket match, is negative. Explain.
Name the quality which is measured in Wh.
State the condition when a force produces
(i) linear motion.
(ii) rotational motion, in a body.
The moment of a force 10 N about a point 0 is 4 Nm. Calculate the distance of point of application of force from the point 0.
State and define the unit of force in the S.I. system.
What is the work done by the gravitational force on the moon that revolves around the earth?
State the condition when the work done by the force is negative.
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.
