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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
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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 charge Q is uniformly distributed over a large plastic plate. The electric field
- A single slit Fraunhogger diffraction pattern is formed with white light.
- A monoatomic gas at a pressure P, having a volume V expands isothermally
- Two metal wires of identical dimensions are connected in series. If σ₁ and σ₂ are
- The mean distance between the atoms of iron is 3 x 10⁻¹⁰ m and interatomic force
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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