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A particle of mass m moves with constant speed along a circular path of radius r under the action of a force F. Its speed is
Options
(a) √rF/m
(b) √F/r
(c) √Fmr
(d) √F/mr
Correct Answer:
√rF/m
Explanation:
The centripetal force is F=mv²/r
.·. v²=Fr/m
The speed is v= √Fr/m
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The angular speed of earth, so that the object on equator may appear weightless
- Two thin long conductors seprated by a distance d carry currents
- A conveyor belt is moving at a constant speed of 2 m/s. A box is gently dropped on it
- A body weighs 50 grams in air and 40 grams in water. How much would it weigh in a liquid
- In Young’s double slit experiment, the locus of the point P lying in a plane
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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