Question

the page 3 8) The area of the large piston in a hydraulic jack is 4.75 in 2. The area of the small piston is o.s64 in.2 what force wust be applied to the small piston if a weight of 2000 lb is to be lifted? what is the mechanical advantage MA 19) A monkey lifts ss lbs of water one foot in one second from a well 120 ft. deep. if electricity costs 13 cents per Kilowatt"hour, how much would it cost to use electricity instead of the monkey? (use 1 hp[horsepower] 55o ft lb/sec 745.7 watts, 60 sec/min, 60 min/hr, 1 day 24 hr, 1 week 7 day, Kw 1000 watt) 20) Water at a pressure of so psi flows at 2 cubic inches per second from a3 inch diameter pipe into a 1 inch diameter pipe with a 1/2 inch T opening to a valve at it S side. Is the pressure at the valve more, less, or the same as the pressure in the 3 inch pipe?

Answer 1

Dear Student

As per HOMEWORKLIB POLICY i am answering the first question only. Thanks

Pascal's Law A2 ( )st PXPY CPressure) Fi 2 Az A1 A1-0.564an2,, A475in2 2000 lb Fi? A1 A2 An 2000lb X 0.564 237.47 lb 4.75 F a Mechantal Advantage CH A 2MCICCN Py 2000 237.47