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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 moment of inertia of a uniform circular disc of radius R and mass M about an axis
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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 moment of inertia of a uniform circular disc of radius R and mass M about an axis
- A charge Q is enclosed by a Gaussian spherical surface of radius R
- The flux linked with a circuit is given by φ=t³+3t-7. The graph between time
- When two small bubbles join to form a bigger one, energy is
- A metal bar of length L and area of cross-section A is clamped between two rigid
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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