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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 coefficient of performance of a refrigerator is 5. If the temperature inside
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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 coefficient of performance of a refrigerator is 5. If the temperature inside
- The resistance in the two arms of the meter bridge are 5Ω and RΩ, respectively
- Two equal and opposite charges of masses m₁ and m₂ are accelerated
- A coil of N turns and mean cross-sectional area A is rotating with uniform angular
- A gas of monoatomic hydrogen is bombarded with a stream of electrons
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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