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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
- In forward biasing of the p-n junction
- The displacement of a particle varies according to the relation x=4 (cos π t + sin π t)
- The work function for metals A,B abd C are respectively 1.92 eV,2.0 eV and 5 eV.
- An electron of mass Mₑ, initially at rest, moves through a certain distance in a uniform
- A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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