Please Help NO LINKS (1) Suppose you lift a stone that has a mass of 5.9 kilograms off the floor onto a shelf that is 2.5 meters high. How much work have you done?
Joules

(2) Suppose you lift a laptop that weighs 3.4 pounds off the floor onto a shelf that is 2 feet high. How much work have you done?
foot-pounds

(3) The force on a particle is described by
7
x
3
+
2
pounds at a point
x
feet along the
x
-axis. Find the work done in moving the particle from the origin to
x
=
5
.
foot-pounds