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- When a 5 Ib weight is placed on the end of a floating wooden beam, the beam tilts at an angle 0= 2.5 with its upper right corner at the surface, as shown in the figure. The floating wooden beam having the dimensions of 8 in x 8 in x 10 ft. What is the buoyant force in Ib? 5 Ib Water 10 ft 8 in x 8 in 201.063 Ib 193.785 IbA metal cube 300 mm on a side and weighing 1.5 kN is lowered into a tank containing a layer of water over a layer of mercury. Determine the following: a. The position (in mm) of the block when it has reached equilibrium. b. The buoyant force (kN) contributed by the mercury c. The buoyant force (kN) contributed by the water.Q3. A copper bar of 50 mm*50 mm cross section is 1.5 m long, it subjected to an axial pull of 100 KN. If the value of poisson's ratio is 0.25 and E-100 Gpa, what are the changes in the length, width and volume of the bar?
- 2.5 mm A solid object is hung by using a thin cord from a floating timber as shown in the figure. The timber has a specific gravity of 0.5 with dimensions of 60 x 30 x 10 mm. The solid object has a volume of 6600 mm³. Determine the following: a. The tensile force in the cord b. The buoyant force acting on the solid object c. Mass of the solid object 10 mm M0, 15°CWhen a 5 Ib weight is placed on the end of a floating wooden beam, the beam tilts at an angle 0=2.5 with its upper right corner at the surface, as shown in the figure. The floating wooden beam having the dimensions of 8 in x 8 in x 10 ft. What is the buoyant force in Ib? 5 Ib Water 10 ft 8 in x 8 in 201.063 Ib O 193.785 Ib O 186.519 Ib O 222.865 Ib O 171.965 Ib 164.682 Ib 230.132 Ib O 215.600 Ib OA tank is 11 meters long, 6 meters wide, and 4 meters high. The tank is filled with gasoline, which has density 750 kg/m³, to a depth of 3 meters. What is the hydrostatic pressure on the bottom of the tank? Use 9.8 m/s² to approximate gravitational acceleration. Pa What is the hydrostatic force on the bottom of the tank? CHECK ANSWER N What is the hydrostatic force on the smaller end of the tank? N
- A metal block 2 ft square and 10 in. deep is floated on a body of liquid which consists of an 8-in layer of water above a layer of mercury. The block weighs 120 lb/ft3. What is the position of the bottom of the block?If a downward vertical force of 500 lb is applied to the center of this block, what is the new position of the bottom of the block?Assume that the tank containing the fluid is of infinite dimensions.The bottom of a steel "boat" is a 7 m ✕ 8 m ✕ 6 cm piece of steel (ρsteel = 7900 kg/m3). The sides are made of 0.580 cm thick steel. What minimum height must the sides have for this boat to float in perfectly calm water? The side height should not include the thickness of the bottom. (Answer in cm, thanks)Determine the force required to move a thin plate of 30 x 60 cm2 size through a liquid of viscosity ? = 0.05 kg/ms at a velocity of 0.40 m/sec. The liquid is filled between two long parallel plates as shown in the Figure.
- A toy train has magnetic couplers whose maximum attractive force is T = 8 N between adjacent cars. What is the maximum force P with which a child can pull the locomotive and not break the train apart at coupler #1? The mass of the locomotive is 0.07 kilograms. Neglect the mass and friction associated with all wheels. Please show your work clearly and draw the diagram as well. 0.06 kg (G/100) kg 0.03 kg 0.03 kg 0.03 kg 41 3 12 1 -P bd Coupler #1Question 9 In the figure, a 119 kg uniform log hangs by two steel wires, A and B, both of radius 1.20 mm. Initially, wire A was 2.70 m long and 2.05 mm shorter than wire B. The log is now horizontal. Young's modulus for steel is 2.00 × 1011 N/m². What are the magnitudes of the forces on it from (a) wire A and (b) wire B? (c) What is the ratio dд/dB? (a) Number i Wire A Wire B com Units (b) Number i Units (c) Number i Units --/1Calculate the velocity of a 1.5 ft x 3 ft flat plate that is pulled through a t= 0.04 inch thick layer of kerosene with a force, F = 3 lb. 13.2 ft/s 27.7 ft/s O 10.4 ft/s O 17.6 ft/s 35.2 ft/s O2.69 ft/s