California State Polytechnic University, Pomona

Work = 10lb (10ft) = 100 ft-lbs. 100 ft-lbs (1m/3.2ft)(4.5 N/ lb) = 140 Nm (b)If you push a cart along a horizontal surface with a force of ten Newtons, and the cart moves 3 meters, how much work have you done in joules? Work = 10N (3m) = 30 Nm. Since energy is conserved, where has the energy gone in question 3? (a)Where did it come from ... ................
................