The block shown in the figure has a 250 kg mass. The despicable weight bar AB rests against a smooth vertical wall in the end B and is supported by end A with a ball joint. The two cables are connected at the midpoint of the bar. Determine the reactions at supports A and B and the voltage on the DC cable.

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Q: A transmission tower is held by three guy wires anchored by bolts at B, C, and D. If the tension in…

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Q: B 12 30 5200

A:

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A:

Q: If the bucket and its contents have a total weight of 20 lb, determine the force in the supporting…

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Q: gate is 4 kN and the force exerted by the stopper on the gate is measured to

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Q: 2. A rope is tied to a weight at A. The rope passes over two frictionless pulleys B and E. The other…

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Q: 400 lb/ft 4 ft 4 ft

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Q: The rectangular (0.6mx0.9m) sluice AB blocks liquid with a specific gravity of 0.79. The sluice door…

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Electric Circuit and Components

An electrical circuit or electrical network is a pre-determined pathway to make the electrons flow in the desired direction. The flow of electrons will set up a current flow in the circuit. Normally, the flow of electrical current is opposite to the flow of electrons. An electron is a fundamental sub-atomic particle of an atom possessing a negative charge. To initiate the flow of current and achieve the desired output, the electrical circuit should necessarily be composed of closed pathways. The pathways are made-up of good conductors of electricity such as aluminium and copper.