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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 thin prism of angle 15⁰ made of glass of refractive index µ₁ = 1.5 is combined
- In the middle of the depletion layer of a reverse-biased P-N junction, the
- A pan is suspended from a steel wire. Weights are slowly put on the pan
- A tangent galvanometer has a coil of 50 turns and a radius of 20 cm. The horizontal
- If by mistake voltmeter is connected in series and ammeter in parallel then
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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