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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 purpose of using heavy water in nuclear reactor is
- If in a L-R series circuit the power factor is 1/2 and R=100Ω, then the value of L is,
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
- A particle moves along the x-axis from x=0 to x=5 m under the influence of a force
- A national roadway bridge over a canal is in the form of an arc of a circle of radius
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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