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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.
Related Questions: - For principal quantum number n=3, the possible values of orbital quantum number
- In the series resonance the value of impedence is 3 Ω and the resistance is 4Ω,
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For principal quantum number n=3, the possible values of orbital quantum number
- In the series resonance the value of impedence is 3 Ω and the resistance is 4Ω,
- An electron is moving in a circular path under the influence of a transverse magnetic
- A 1Ω resistance in series with an ammeter is balanced by 75 cm of potentiometer wire
- The magnetic susceptibility is negative for
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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