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http://img187.imageshack.us/img187/5202/f1xj9.th.png [Broken]

M is on the point of sliding:

0 = MA g - T => T = MA g .... (1)

0 = T - (0.35)(150 g) .... (2)

Substitute (1) into (2) : MA = (0.35)(150) = 52.5 kg.

http://img187.imageshack.us/img187/787/f2co6.th.png [Broken]

is the answer 398.5 kg?

http://img187.imageshack.us/img187/5175/f3ix6.th.png [Broken]

is the answer 189.5 kg?

http://img179.imageshack.us/img179/8738/f4fv4.th.png [Broken]

is the answer 36.5 N?

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# Homework Help: Friction physics problem help

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