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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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- 3 persons are initially at the 3 corners of an equilateral triangle
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- 24 cells of emf 1.5 V each having internal resistance of 1 ohm are connected
- 3 persons are initially at the 3 corners of an equilateral triangle
- Match the following columns about collision
- The equation of state for 5 g of oxygen at a pressure P and temperature T,
- The temperature at which the vapour pressure of a liquid becomes equal to the external
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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