Laws Of Motion Question 350

Question: A force of 98 N is required to just start moving a body of mass 100 kg over ice. The coefficient of static friction is

Options:

A) 0.6

B) 0.4

C) 0.2

D) 0.1

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Answer:

Correct Answer: D

Solution:

$ \mu =\frac{F}{R}=\frac{F}{mg}=\frac{98}{100\times 9.8}=\frac{1}{10}=0.1 $



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