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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
Related Questions: - When sound is produced in an aeroplane with a velocity of 200 m/s horizontally,
- A tuning fork frequency 512 Hz is vibrated with a sonometer wire and 6 beats per second
- A black body radiates 20 W at temperature 227⁰C. It temperature of the black body
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When sound is produced in an aeroplane with a velocity of 200 m/s horizontally,
- A tuning fork frequency 512 Hz is vibrated with a sonometer wire and 6 beats per second
- A black body radiates 20 W at temperature 227⁰C. It temperature of the black body
- The inductive reactance of an inductor of 1/π henry at 50 Hz frequency is
- The dimensions of pressure are equal to those of
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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