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you have been hired to design a family-friendly seesaw
rom the end of the board when seated. You have selected a child of mass, (seated furthest from the pivot) and an adult of mass, (seated closest to the pivot) to test out your prototype.
a. Determine the distance d in meters.
b. Determine the magnitude of the force exerted on the pivot point by the see-saw while in use in newtons.
The water in a tank is pressurized by air, and the pressure is measured by a multifluid manometer as shown above. Determine the gage pressure of air in the tank.
If
=0.2 m, =0.3m, and =0.46m.
Take the densities to be:
A spur pinion rotates at 1800 rpm and transmits to a mating gear 30 HP. The pitch diameter is 4” and the pressure angles pressure angle is 14 1/2. Determine the tangential load in lbs.
