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A block is L = 1 [m] long and h = 0.5 [m] tall and weighs 50 [N]. The box is allowed to rotate about point A. A rope is attached to the upper left corner. This rope makes a θ=40° angle from the horizon. A horizontal force of 30 [N] is applied at the lower left corner. Find the magnitude of the reactions at A and the tension in the rope. Input your answer in Newtons to two decimal places.
a stunt driver travels a total distance of 1172 feet moving at a constant speed of 40 miles per hour while weaving
to understand the physics of the o-ring we may need to start formulating the problem in a static equilibrium condition.
a pelton wheel is used to produce hydroelectric power. the average radius of the wheel is 1.83 m and the jet velocity
a mercury manometer ?13600 kgm3 is connected to an air duct to measure the pressure inside. the difference in the
A power cycle has a thermal efficiency of 40% and generates electricity at a rate of 100 MW. The electricity is valued at $0.08 per kW h. Based on the cost of fuel, the cost to supply Qin is $4.50 per GJ.
a vessel of cylindrical shape is 50 cm in diameter and 75 cm high. it contains 4 kg of a gas. a manometer attached to
2 kg of water at 10oc and atmospheric pressure are placed in a pressure cooker and heated until the water boils at
an extruded beam has the cross section shown and a uniform wall thikness of 3mm. for a vertical shear of 1.2 kips
a piston cylinder assembly containing h2o initially has a temperature of 130degc and a specific internal energy of 700
A tensile specimen of cartridge brass sheet has a cross section of 0.320 in. × 0.120 in. and a gage length of 2.00 in. Calculate the engineering strain that occurred during a test if the distance between gage markings is 2.35 in. after the test.
1. list and explain the desirable mechanical and physical properties for a an elevator cable b paper clip and c
an ideal gas contained in s piston-cylinder device undergoes and isothermal compression process which begins with an
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