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A body of mass 1.0 kg is falling with an acceleration of 10 ms⁻². Its apparent weight will be (g=10 ms⁻²)
Options
(a) 1.0 kg wt
(b) 2.0 kg wt
(c) zero
(d) 0.5 kg wt
Correct Answer:
zero
Explanation:
R = m (g – a) = m (10 – 10) = zero
This answer is an extension of the lift problem. Actually mg is the force acting on the mass m. As potential energy decreases, its kinetic energy increases as experienced. The question is not correct.
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A remote-sensing satellite of earth revolves in a circular orbit at a height
- In an unbiased p-n junction, holes diffuse from the p-region to n-region because of
- A dust packet is dropped from 5th storey of a multi-storeyed building
- A particle free to move along X-axis has potential energy given as U(X) =k(1-e⁻ˣ²)
- Zenor breakdown in a semiconductor diode occurs when
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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