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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: - Length of second pendulum is
- A uniform wire of resistance 9Ω is joined end-to-end to form a circle. Then
- A stone thrown into still water, creates a circular wave pattern moving radially
- 1 a.m.u. is equivalent to
- When a mass M is attached to the spring of force constant k,
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Length of second pendulum is
- A uniform wire of resistance 9Ω is joined end-to-end to form a circle. Then
- A stone thrown into still water, creates a circular wave pattern moving radially
- 1 a.m.u. is equivalent to
- When a mass M is attached to the spring of force constant k,
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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