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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.
Related Questions: - Two closed pipes produce 10 beats per second when emitting their fundamental nodes.
- Six molecules have speeds 2 units, 5 units, 3 units, 6 units, 3 units and 5 units
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two closed pipes produce 10 beats per second when emitting their fundamental nodes.
- Six molecules have speeds 2 units, 5 units, 3 units, 6 units, 3 units and 5 units
- The horizontal and vertical components of earth’s magnetic field at a place
- Ice is wrapped in black and white cloth. In which cases more ice will melt
- Three capacitors of capacitances 3 μF, 10 μF and 15 μF are connected in series
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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