P2.20 The hydraulic jack in Fig. P2.20 is filled with oil at 56 lbf/ft³. Neglecting the weight of the two pistons, what force F on the handle is required to support the 2000-lbf weight for this design? 2000 lbf 3-in diameter in 15 in Oil 1-in diameter
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- 5. Eileen is floating on her back in the beautiful blue Caribbean during her spring vacation. If Eileen’s density is 980 kg/m^3 and she has a volume of 0.060m^3, what is the buoyant force that supports her in the sea water of density 1025 kg/m^3? a. 580 N b. 600 N c. 560 N d. 550 N e. None of the aboveYou find an antique car jack like the one shown in the figure at an estate sale. After cleaning it up, you establish that the amount of friction is negligible and that the input and output pistons have a diameter of 0.30 in. and 1.9 in., respectively. Determine the force F needed to support a 1000-lb load at the output piston. 24.9 × Does the oil in the hydraulic system of the jack obey Pascal's Law? How is the pressure provided by the oil at the output piston related to the pressure applied to the oil at the input piston? Can you write an expression for the input and/or output force in terms of the input and/or output pressure and the appropriate area? Notice that the construction of the jack makes the point where the jack handle is attached to the jack base a convenient pivot point about which to determine the torques. lb 1000 lb 3.0 in. 12 in.- input piston output pistonA 65 kg rock is 120 m deep in saltwater. Density of saltwater is 1030 kg/ m3. The pressure on the rock due to saltwater is calculated to be? choose one correct answer with the correct unit of measure. [ use g =9.8m/s2 ] A. 1211280 Pascal (N/m2) B. 1211280 kg /m3 C. 76440 Pascal D. 76440 N
- During heavy lifting, a disk between spinal vertebrae is subjected to a 5250-N compression force. a. What pressure is created on the disk, in pascals, assuming that the disk has a uniform circular cross section 2.2 cm in radius? b. What deformation is produced, in centimeters, if the disk is 0.65 cm thick and has a Young’s modulus of 1.65 × 109 N/m2?A glass container weighing 4 N has of water and a 1 N block of styrofoam (100 kg/m3) that is held underwater by a rope. The rope is cut. 1. What is the acceleration of the block? (ignore friction). 2. What happens to the water level?Please help thank you!