1. A trolley of mass 20 kg rests on a horizontal surface. A massless string tied to the trolley passes over a
frictionless pulley and a load of 5 kg is suspended from other end of string. If coefficient of kinetic
friction between trolley and surface be 0.1, find the acceleration of trolley and tension in the string.
(take
g = 10 ms-3.
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1. A trolley of mass 20 kg rests on a horizontal surface. A massless string tied to the trolley passes over a
frictionless pulley and a load of 5 kg is suspended from other end of string. If coefficient of kinetic
friction between trolley and surface be 0.1, find the acceleration of trolley and tension in the string.
(take
g = 10 ms-3. ans payback
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