Team 1 Autumn Murphy, Zach Anderson, Shane Miller 1.Define a 3 cable system to lift truck. 2. Must lift from two corners and the opposite midpoint. 1.

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Presentation transcript:

Team 1 Autumn Murphy, Zach Anderson, Shane Miller 1.Define a 3 cable system to lift truck. 2. Must lift from two corners and the opposite midpoint. 1

 State given information  Declare position  Find Position vectors  Find unit vectors  Use E of E to solve 2

Truck dimensions Length = in. Width = 97.5 in. Height = 115 in. Weight = 5000 lbs. Weight acts at center of truck 3

Platform Dimensions Platform length = in. Platform width = in. Platform weight = 5000 lbs. Weight acts at center of platform 4

For now, assume that cables attached to the outer edges of the plates will not contact the truck. Lifting hook is located above platform at 230 in. Being attached to 3 cable connected to a platform. 5

Origin set at center of platform 6

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Cables DA & DB carry 3255 lbs. Cable DC carries 6315 lbs. 9

EarthMars Tda=3255lb1236.9lb Tdb=3255lb1236.9lb Tdc=6315lb2399.7lb 10

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