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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: - If R is the radius of the earth and g is the acceleration due to gravity
- A carnot engine working between 300 K and 600 K has a work output of 800J per cycle.
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If R is the radius of the earth and g is the acceleration due to gravity
- A carnot engine working between 300 K and 600 K has a work output of 800J per cycle.
- The depletion layer in the p-n junction region is caused by
- Which one of the following statement is FALSE ?
- A black hole is an object whose gravitational field is so strong that even light
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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