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A liquid flowing from a vertical pipe has a definite shape as it flows from the pipe. To get the equation for this shape, assume that the liquid is in free fall
A large tank with diameter D, open to the air contains water to a height H. A small hole with diameter d (d« D) is made at the base of the tank.
A Ping-Pong ball has a diameter of 3.80 cm and average density of 0.084 0 g/cm3. What force is required to hold it completely submerged under water?
A piece of unpainted porous wood barely floats in a container partly filled with water. If the container is sealed and pressurized above atmospheric pressure
A partially evacuated airtight container has a tight fitting lid of surface area 77 m2 and negligible mass. If the force required to remove the lid is 480 N
A liquid of density 900 kg/m3 flows through a horizontal pipe that has a cross-sectional area of 1.90 x 10-2 m2 in region A and a cross-sectional area
A plastic sphere floats in water with 50.0 percent of its volume submerged. This same sphere floats in glycerin with 40.0 percent of its volume submerged.
A plastic ball has radius 12.0 cm and floats in water with 16.0% of its volume submerged.
A Pitot tube can be used to determine the velocity of air flow by measuring the difference between the total pressure and the static pressure
Three forces are applied to a bracket. The directions of the two 30-lb forces can vary, but the angle between these forces is always 50°.
Three forces and a couple act on crank ABC. For P = 25 N and a = 40°
Three hikers are shown crossing a footbridge. Knowing that the weights of the hikers at points C, D, and E are 200 lb, 175 lb, and 135 lb, respectively
Three gears A, B, and C are pinned at their centers to rod ABC. Knowing that end A of rod ABC is fixed and that gear A does not rotate
Three rods of lengths a = 240 mm, 200mm b = 200mm, and c = 180 mm are welded together to form the component shown
Three loads are applied as shown to a light beam supported by cables attached at B and D. Knowing that the maximum allowable tension in each cable
Three loads are suspended as shown from cable ABCDE. Knowing that 12 dC = ft, determine
The two blocks shown are released from rest at time t = 0. Neglecting the masses of the pulleys and the effect of friction in the pulleys and between the blocks
The two blocks shown are released from rest. Neglecting the masses of the pulleys and the effect of friction in the pulleys
The two shafts a speed-reducer unit are subjected to couples of magnitude M1 = 18 N · m and M2 = 7.5 N · m, respectively.
The weight and radius of friction disk A are WA = 12 lb and rA = 6 in.; the weight and radius of friction disk B are WB = 6 lb and rB = 4 in
The vise shown consists of two members connected by two double-threaded screws of mean radius 6 mm and pitch 2 mm
The velocities of two steel blocks before impact are as shown. If after impact the velocity of block B is observed to be 2.5 m/s to the right
The V pulleys A and B have diameters of 4 in. and 8 in., respectively, and are connected by a V belt for which a =36°.
Three belts move over two pulleys without slipping in the speed reduction system shown. Point A on the input belt moves to the right with a constant speed
The weights of blocks A, B, and C are WA = WC = 20 lb, and B W = 10 lb. Knowing that P = 50 lb and neglecting the masses of the pulleys