a block of mass 1.5 kg placed on a rough horizontal surface is pulled by a constant horizontal force of 1.2 kgf . the coefficient of friction between the block and surface is 0.3 find acceleration produced in terms of g.
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Explanation:
mass of body is 1.5kg so normal reaction is 15N
co efficient of friction is 0.3 so frition on floor is 4.5
force exerted is 1.2kgf that equals 12N
net force = exerted force - friction
1.5 a = 12 - 4.5 newtons
so a = 5 m/s²
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