(1) Suppose you lift a stone that has a mass of 5.6 kilograms off the floor onto a shelf that is 1.5 meters high. How much work have you done? Joules (2) Suppose you lift a laptop that weighs 4.3 pounds off the floor onto a shelf that is 5 feet high. How much work have you done? foot-pounds (3) The force on a particle is described by 4:133 + 3 pounds at a point :1: feet along the az-axis. Find the work done in moving the particle from the origin to a: = 7. foot-pounds