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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: - The velocity of molecules of a gas at temperature 120 K is v. At what temperature
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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 velocity of molecules of a gas at temperature 120 K is v. At what temperature
- The second overtone of an open pipe is in resonance with the first overtone
- The unit of electric permittivity is
- A spherical shell of radius 10cm is carrying a charge q. If the electric potential
- A stone falls freely under gravity.It covers distances h₁,h₂ and h₃
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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