1. how do you find the mechanical advantage of a compound machine? write a definition for each of these terms on the lines below 2. pulley 3. wheel and axle

1. To find the ideal mechanical advantage of a compound machine, you have to multiply the individual mechanical advantages of all the simple machines that make up the compound machine

The definition of the compound machine is a machine consisting 2 or more simple machines operating together, as a wheelbarrow consisting of a lever, axle, and wheel.

2. The definition of a Pulley is a wheel with a grooved rim around which a cord passes. It acts to change direction of a force applied to the cord and is chiefly used (typically in combination) to raise heavy weights.

3. The definition of the Wheel and Axle is a simple lifting machine consisting of a rope that unwinds from a wheel onto cylindrical drum or shaft joined to the wheel to provide mechanical advantage

The density would be 1.622