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**1. Homework Statement**

http://img237.imageshack.us/img237/7580/mechhelpui7.jpg [Broken]

**2. The attempt at a solution**

(i) Moment of F = 70 x 800 = 56000

Moment of weight = 500 x 270 = 135000

Therefore the trolley remains at rest.

**Is this right?**

(ii) Can you help me with this question please?

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