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March 31, 2015

March 31, 2015

Posted by **arcos15** on Monday, September 10, 2012 at 12:51am.

(1) With what force does the chain need to be pulled up to keep the sign in place?

___________ lbs

(2) Jenna writes a mathematical description,

95 lbs + - 95 lbs = 0. What does the sign of each number represent? MULTIPLE CHOICE

a).that one is a chain force and one is gravity

b).how much force is added or subtracted to her hand

c).the direction in which each force is exerted

- Physics -
**arcos15**, Monday, September 10, 2012 at 1:08am95LBS

AND

C

- Physics -
**Tsz Yung**, Monday, September 10, 2012 at 4:29pm1)F=mg

F=95(9.8)

2) c

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