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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: - Dispersion of light is caused due to
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Dispersion of light is caused due to
- A ray of light is incident at an angle of incidence i, on one face of a prism
- Two radioactive materials X₁ and X₂ have decay constants 5λ and λ respectively
- A uniform rope of length 12 m and mass 6 kg hangs vertically from a rigid support.
- An electric dipole is placed at an angle 30°with an electric field intensity 2×10⁵N/C.
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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