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A thin wire of length L and mass M is bent to form a semicircle. What is the gravitational field at the centre?
Options
(a) πGM/L² along the line joining the ends
(b) πGM/L² perpendicular to the above line
(c) 2πGM/L² along the line joining the ends
(d) 2πGM/L² perpendicular to the above line
Correct Answer:
2πGM/L² perpendicular to the above line
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Oscillations
(58)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C.
- The internal energy change in a system that has absorbed 2 kcals of heat
- Two similar springs P and Q have spring constants Kp and Kq, such that Kp>Kq.
- Two bodies A and B having temperature 327° C and 427° C are radiating heat
- The focal length of the objective of a terrestrial telescope is 80 cm
Topics: Oscillations (58)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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