These machines arose to solve problems of daily activities in the least expected time, as time passed these tools were perfected.
Simple Machine Types:
- Levers: it is a straight and very strong device that helps to lift heavy things.
- Screw: has a spiral-shaped thread that helps to securely hold objects .
- Pulleys: machines used to lift heavy loads, it has at its disposal belts that you pass through its wheels.
20 Examples of Simple Machines
- Water pumps.
- Pair of scissors.
- Endless screw.
- Sailing boat.
- Manual Drill.
- Bow and arrows.