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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: - A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
- Moderator used in nuclear reactor is
- Pick out the correct statements from the following
- Two concentric coils each of radius equal to 2π cm are placed at right angles
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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