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# Physics help

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A block is on a surface with µs=0.325. it takes 4.11 N to break it free from static friction. How much normal force acts on the block?

May 15, 2019

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$$F_s = \mu_sN$$, where $$F_s = 4.11$$ and $$\mu_s = 0.325$$

$$4.11 = (0.325)N$$

$$N = \frac{4.11}{0.325}$$

$$N = 12.65$$

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May 15, 2019