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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: - 24 cells of emf 1.5 V each having internal resistance of 1 ohm are connected
- In the half wave rectifier circuit operating from 50 Hz mains frequency,
- A particle doing SHM has amplitude=4 cm and time period = 12 sec. The ratio between times
- The distance travelled by a particle starting from rest and moving with an acceleration
- A light emitting diode(LED) has a voltage drop of 2 volt across it
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- 24 cells of emf 1.5 V each having internal resistance of 1 ohm are connected
- In the half wave rectifier circuit operating from 50 Hz mains frequency,
- A particle doing SHM has amplitude=4 cm and time period = 12 sec. The ratio between times
- The distance travelled by a particle starting from rest and moving with an acceleration
- A light emitting diode(LED) has a voltage drop of 2 volt across it
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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