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प्रश्न
What do you mean by uniform circular motion?
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उत्तर
When a particle moves with a constant speed in a circular path, its motion is said to be the uniform circular motion.
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संबंधित प्रश्न
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.
An engine does 54,000 J of work by exerting a force of 6000 N on it. What is the displacement in the direction of the force?
State the condition when the work done by a force is negative. Explain with the help of examples.
State the condition when the work done by the force is negative.
Relate 1 KWh (kilowatt hour) with joule.
A coolie carrying a load on his head and moving on a frictionless horizontal platform does no work. Explain the reason why.
State the C.G.S. unit of work. How it is related to its S.I. unit?
A force of 1 kgf displaces a body by a distance of 10 cm
(i) in direction of force,
(ii) normal to the force
(iii) at an angle of 60° to the direction of the force.
Calculate the amount of work done in each case. (Take: g = 9.8 ms−2 )
