A mass (m₁) is connected by a light string that passes over a pulley of mass (M) to a mass (m₂) as shown in the figure. There is no slippage between the string and the pulley. The coefficient of kinetic friction between the mass m₂ and the horizontal surface is 0.260. The moment of inertia of the pulley is Mr². If m₁ 2.30 kg, m₂ = 2.90 kg, and M = 1.95 kg, then what is the magnitude of the linear acceleration of the system? = a) 4.60 m/s² b) 0.952 m/s² c) 3.65 m/s² d) 2.45 m/s² e) 2.12 m/s² m₂ M m₂

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Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.