Answer to Question #239498 in Physics for rshiii

Question #239498

20. What applied horizontal force is required to accelerate a 5 kg along a horizontal surface. With an acceleration of 2 m/s2 if the coefficient of friction is 0.15.

Expert's answer

We can find this force applying Newton's second law:

"ma=F-f, \\\\\nF=ma+f=ma+\\mu mg=17.4\\text{ N}."

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