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love history [14]

4 years ago

12

Suppose that while moving into an apartment you move a refrigerator into place by sliding it across the ﬂoor. The refrigerator w

eighs 895 N and the coefﬁcient of static friction between the ﬂoor and the refrigerator is 0.400. What is the least force you could apply to the refrigerator to cause it to move?

1 answer:

sweet-ann [11.9K]4 years ago

4 0

Answer:

358 N

Explanation:

$F=\mu N$ where F is the force, $\mu$ is the coefficient of static friction between the ﬂoor and the refrigerator and N is the weight

Normally, N=mg hence $F=\mu mg$ where m is the mass of object and g is the acceleration due to gravity

In this case, N is given as 895 N and the coefﬁcient of static friction between the ﬂoor and the refrigerator is 0.400 hence substituting them in the formula we obtain

$F=\mu N= 0.4\times 895 N= 358 N$

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