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The dolly shown is useful in the handling of 55-gallon drums. Determine the force F necessary to hold a drum in the position shown. You may neglect the weight of the dolly in comparison with the 500-lb weight of the drum, whose center of gravity is at G. There is sufficient friction to prevent slipping at the contact point P.
a new building to be located in a cold climate is being designed with a basement that has an l200 mm thick wall. inner
A tension of 300 kN is required in the cable at A. If the cable has a mass of 22 kg per meter of its length, compute the required height H of the anchorage above water level and find the length s of cable between A and B.
liquid water at 180oc 2000 kpa is throttled into a flash evaporator chamber having a pressure of 500 kpa. neglect any
A 5 1/8 oz baseball traveling at 89 mph rebounds off of a bat with a speed of 161 mph. The ball is in contact with the bat for roughly 10^-3 seconds. The incoming velocity of the ball is horizontal and the outgoing trajectory forms an angle of 33 deg..
150 mol/s of cyclohexane enter a heat exchanger at 25?C and 3 atm and leaves as a vapor at 125?C. The normal boiling point of cyclohexane is 80.7?C; at the normal boiling point, the heat of vaporization is 30.1 kJ/mol. The liquid-phase heat capacit..
Determine the internal normal force, shear force, and moment at point C in the simply supported beam. Point C is located just to the right of the 1500 couple moment.
a hot rolled shaft is subjected to torsional load that varies from 320 nm clock wise to 120 nm anti -clockwise and an
Water from a low dam is released through a sluice gate on a horizontal rectangular channel. The depth of water upstream of the sluice gate is 16.0 m above the channel bed andthe gate opening is 1.5 m.
The pressure in a tire depends on the temperature of the air in the tire. The gage pressure of an automobile tire with a volume of 0.025 m3 is measured to be 210 kPa at 25 oC at sea level on a day with calm weather. If the temperature of the air in t..
the structure of a house is such that it loses heat at a rate of 5400 kjh per degree celcius difference between the
an axhaust stack thermocouple is inserted into a 20 cm long well made of 5mm-o.d. 0.7 mm-wall-thicknes aisi 316
Depron is a polystyrene foam, popular as a material for the manufacture of fast food trays and packaging. It is much lighter than balsa wood and can be cut with a sharp blade, sawn with a fine.
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