Determine the motor torque

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Reference no: EM13934154

1. The power unit A of the tractor-scraper has a mass of 4 Mg with mass center at G1. The fully loaded trailer-scraper unit B has a mass of 24 Mg with mass center at G2. Positioning of the scraper is controlled by two hydraulic cylinders EF, one on each

2. An automatic window-positioning system for a greenhouse is shown in the figure. Window OA has a mass of 50 kg with mass center at G. A motor (not shown) drives the gear C, which in turn moves the positioning rack AB. For the window position shown, determine the motor torque M which must be supplied to the pinion C. Neglect the weight of bar AB.

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Reference no: EM13934154

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