Piston 1 in the figure has a diameter of 1.48 cm. m 2 2 in. 10 in. (1 LL Piston 2 has a diameter of 8.47 cm. In the absence of friction, determine the force required on piston 1 necessary to support an object with a mass of 989 kg placed on piston 2. (Neglect the height difference between the bottom of the two pistons, and assume that the pistons are massless).
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- a) What volume must a (450 kg) cube have in order to float in water?b) Suppose now that the cube from part (a) has 1/3 of the volume needed to float (so it sinks into the ocean). What is the total force on the sides of the cube at a depth of (260 m) below the ocean surface? (Cubes have 6 equal-area sides)The weight of the rock in the air is 4.5 N. When it is completely submerged in water, its weight is 2N. What is the buoyant force acting on the rock when it is completely submerged in the water?A force of 295 N is applied to a hydraulic jack piston that is 0.026m in diameter. The second piston that supports the load has a diameter of 0.19. what is the magnitude of the output force of the hydraulic jack? Ignore any difference in height between the pistons.
- a) Find the force P that must be applied to a piston of area 11.60 cm2 to produce sufficient fluid pressure to support a car weighing 10,001 N by means of a column of fluid of cross sectional area 285 cm2 as seen in the figure below. Answer: 407 N (b) Find the increase in the car's gravitational potential energy when it is raised 1.00 m. Answer: 10,001 J (c) How far must the smaller piston move in order for the larger one to move 1.00 m? Answer: 24.56 m (d) Calculate the work done by P in moving the smaller piston. Answer: ____?_____Ja 15000-N car on a hydrolyic lift rests on a cylinder with a piston of radius 0.20 m. if a connecting cylinder with a piston of 0.040 m radius is driven by compressed air, what force must be applied to the smaller piston in order to lift the car?Please help me
- A large SUV with mass m = 2.67 x 10^3 kg is at rest as shown in the figure. Both pistons have a circular cross-sectional area. Small piston has RS radius = 5.75 cm and the large piston has a radius RL = 20.5 cm. Determine the magnitude of the force exerted on the small piston.A cylindrical tank of radius 5 ft and height 9 ft is two-thirds filled with a liquid of weight density P Ibs./ft³. The work (in ft-lbs.) required to pump all the water over the upper rim is given by the integral (A D25 over 81 pi rho integral subscript 0 superscript 6 left parenthesis 9 minus y right parenthesis y squared space d y (B 25лр (6- у) dy 25 -пр 81 (9- y)y? dy 25 pi rho integral subscript 0 superscript 6 left parenthesis 9 minus y right parenthesis d yA raft is made of 17 logs lashed together. Each is 31.5 cm in diameter and has a length of 7.00 m. How many people (whole number) can the raft hold before they start getting their feet wet, assuming the average person has a mass of 75.0 kg? Do not neglect the weight of the logs. Assume the density of wood is 600 kg/m3 (answer should be no. of people in whole number)
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