In the horizontal pulley shown, the coefficient of static friction between mass m₁ and the table is 0.48, whereas the coefficient of kinetic friction is 0.41. m₁ m₂ (a) If the suspended mass m₂=2 kg, what minimum value of m₂ will keep the system from starting to move? m₁ = kg (b) What value of m₁ will allow the system to move at constant speed (once it is moving)? m₁ = kg

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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.