The rigidly connected unit consists of a 2.5-kg circular disk, a 2.5-kg round shaft, and a 3.4-kg square plate. Determine the z-coordinate of the mass center of the unit.

dec 23, 2016 - a load of bricks weighing 680 n a distance of 10 m across a parking lot. if if the worker pushes the cart with a constant force of 209 n, what work= force x distance = 220 n x 10 m = 2200 n.m = 2200 j i don't know where the person got it from, but the initial part, work= force x distance me.