Types of Simple Machines

Dr. Forrester introduces simple machines, explaining their role in making work easier. The video covers seven types: incline plane, screw, wedge, wheel and axle, pulley, gear, and lever. Each machine is described with examples, highlighting their everyday use and historical significance. The video emphasizes the importance of simple machines in reducing effort and enhancing efficiency.

What role do pulleys play in lifting heavy objects?

Explain the difference between fixed and movable pulleys.

Describe how a lever works and provide examples of its types.