When objects are forced to vibrate ( like when dropped onto a hard surface), they will do so at their

They'll vibrate at their characteristic resonant frequency. That depends on the material the object is made of and its shape.

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.