Singh Notes Chapter 4.pdf - Section 4.1 Equilibrium in Two...

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Section 4.1: Equilibrium in Two Dimensions Monday, February 12, 2018 12:03 PM Engineering 2301 Chapter 4 Page 1
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Engineering 2301 Chapter 4 Page 2
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Engineering 2301 Chapter 4 Page 3
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A fixed crane has a mass of 1000 kg and is used to lift a 2400-kg crate. It is held in place by a pin at A and a rocker at B . The center of gravity of the crane is located at G . Determine the components of the reactions at A and B . Section 4.1: Equilibrium in Two Dimensions Tuesday, February 20, 2018 6:49 AM Engineering 2301 Chapter 4 Page 4
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A loading car is at rest on a track forming an angle of 25° with the vertical. The gross weight of the car and its load is 5500 lb, and it acts at a point 30 in. from the track, halfway between the two axles. The car is held by a cable attached 24 in. from the track. Determine the tension in the cable and the reaction at each pair of wheels. Section 4.1: Equilibrium in Two Dimensions Tuesday, February 20, 2018 6:49 AM Engineering 2301 Chapter 4 Page 5
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The frame shown supports part of the roof of a small building. Knowing that the tension in the cable
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