What would be he best way to measure the mass of a powdery solid

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.

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.