| ⇦ | 
| ⇨ |
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: - A wire is stretched under a force. If the wire suddenly snaps the temperature
- The magnetic field at a point on the axis of a long solenoid having 5 turns per cm
- Three objects A,B and C are kept in a straight line on a frictionless horizontal surface
- According to Hook’s law of elasticity, if stress is increased, the ratio of stress
- Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A wire is stretched under a force. If the wire suddenly snaps the temperature
- The magnetic field at a point on the axis of a long solenoid having 5 turns per cm
- Three objects A,B and C are kept in a straight line on a frictionless horizontal surface
- According to Hook’s law of elasticity, if stress is increased, the ratio of stress
- Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply