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A system consists of three masses m₁, m₂ and m₃ connected by a string passing over a pulley P. The mass m₁ hangs freely and m₂ and m₃ are on a rough horizontal table (the coefficient of friction = μ). The pulley is frictionless and of negligible mass. The downward acceleration of mass m₁ is (Assume m₁=m₂=m₃=m)
Options
(a) g(1-gμ)/9
(b) 2gμ/3
(c) g(1-2μ)/3
(d) g(1-2μ)/2
Correct Answer:
g(1-2μ)/3
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If in an experiment for determination of velocity of sound by resonance tube
- Two bodies of mass 1 kg and 3 kg have positive vectors i + 2j + k and -3i -2j + k
- In an LCR series A.C circuit, the voltage across each of the components, L, C and R is 50V
- A ray enters a glass sphere of refractive index μ=√3 at an angle of incidence of 60⁰
- On heating a ferromagnetic substance above curie temperature
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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