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1. Crane with a weight on the hook of it. Find the upward force of the rear wheels given the centre of gravity

a. Length of arm of crane (30m), weight of object on hook (in N), height (3.5m), length of crane (10m) 2 the centre of gravity which was 7m from the front wheel and 1m above the axels. Angle of the arm is 35.4

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