A wooden block of mass 6 kg is pulled across a rough surface by a 54 and force against friction force if the acceleration of the block is 6 metre per second square then the value of friction force f is
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Answer: friction force = 18 N
Explanation:
Apply force F=54 N
Mass=6kg
Acceleration a= 6m/s^2
Apply newton second law
F- f = ma
54- f = 6*6
f= 54-36
= 18 N
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