Asecond class lever is used to lift a 115 ib load. the distance from the fulcrum to the center of the load is 2.2 ft. the required force is 68 ibs. what's the distance from the fulcrum to the effort force?

what's the mechanical advantage of the lever?

what's the linear distance traveled in one revolution of an 8 inch diameter wheel?

The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false

Agas is compressed from vi 0.3 m, p 1 bar to of v2 0.1 m3, p2--3 bar. pressure and volume are related linearly during the process. for the gas, find the work, in kj.

Agas contained within a piston-cylinder assembly e end nation about same energy states, 1 and 2, where pi 10 bar, v undergoes two processes, a and b, between the sam 0.1 m3, ui-400 kj and p2 1 bar, v2 1.0 m2, u2 200 kj: process a: process from 1 to 2 during which the pressure- volume relation is pv constant process b: constant-volume process from state 1 to a pressure of 2 bar, followed by a linear pressure-volume process to +20 0 state 2 kinetic and potential energy effects can be ignored. for each of the processes a and b, (a) sketch the process on p-v coordinates, (b) evaluate the work, in kj, and (c) evaluate process the heat transfer, in kj