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Physics 13 Online
OpenStudy (anonymous):

MEDAL GIVEN TO CORRECT ANSWER. A pillow with mass 0.3 kg sits on a bed with a coefficient of static friction of 0.6. What is the maximum force of static friction? A. 2.9 N B. 1.8 N C. 0.3 N D. 1.2 N

OpenStudy (joannablackwelder):

Max force of static friction = coefficient of static friction * normal force

OpenStudy (joannablackwelder):

Normal force = mg

OpenStudy (joannablackwelder):

So, max force of static friction = coefficient of static friction * m*g

OpenStudy (anonymous):

I got 2.9 (A) is that correct? @joannablackwelder

OpenStudy (joannablackwelder):

I get .6*.3*9.8=1.8N

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