compound+machines



**What is a compound machine? ** A compound machine is an object with more than one simple machine in it.

**Give an example of a compound machine. ** A plane, a bike, scissors.

**Describe the different simple machines you would find in this compound machine. ** In a bike there is a pulley, which is the chain system. Also the bike has a wheel and axle, a lever in the handle brakes and a wedge in the actual brakes. media type="youtube" key="MkLYXYQPaKU?fs=1" height="385" width="480"