It has been proposed that the stones of the peyton egypt were raised by using ramps. supposed one of these ramp had a mechanical advantage of 3.86. if an input force of 6350n was provided by laborers, what would the output force on the stone have been?

Estimate the change in specific internal energy au and specific enthalpy h from inlet to outlet for ethylene glycol (a liquid) flowing through each of the following devices: (a) a heat exchanger where the glycol temperature increases from 20 °c to 80 °c; (b) a pump operating at about 25 °c and increasing the glycol pressure from 100 kpa to 8 mpa.