Education Lever,wheel&axle,pulley

1. Simple Machines Lever, Wheel & Axle, and Pulley 2. As you learned in the last section, a machine helps you do work by changing the amount or direction of the force…

Education Lever,wheel&axle,pulley

1. Simple Machines Lever, Wheel & Axle, and Pulley 2. As you learned in the last section, a machine helps you do work by changing the amount or direction of the force…