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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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- The rate of increase of thermo-e.m.f. with temperature at the neutral temperature
- A uniform rope of length 12 m and mass 6 kg hangs vertically from a rigid support.
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The net electric force on a charge of +3μC at the mid-point on the line joining two
- The rate of increase of thermo-e.m.f. with temperature at the neutral temperature
- A uniform rope of length 12 m and mass 6 kg hangs vertically from a rigid support.
- A charged particle of mass m and charge q moves along a circular path of radius
- Angle of minimum deviation for a prism of reractive index 1.5 equal to the angle
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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