Write the six types of simple machines and their uses

Answer 1

1. Lever – A rigid bar that pivots on a fixed point or fulcrum and is used to lift or move objects. Examples include crowbars, seesaws, and pry bars.

2. Wheel and axle – Consists of a large wheel and a smaller axle that turns the wheel, usually used for making movements easier. Examples include wheels on cars, wagons, and bicycles.

3. Pulley – A grooved wheel with a rope or cable which can lift and move objects. Examples include flagpoles, cranes, and window blinds.

4. Inclined plane – A flat surface with one end higher than the other, used for raising or lowering objects. Examples include ramps, stairs, and ladders.

5. Wedge – A triangular-shaped device with one end thick and the other end thin, used for splitting or cutting objects. Examples include knives, chisels, and axes.

6. Screw – A threaded rod with a pointed tip, used for holding objects together or raising or lowering them. Examples include bolts, screws, and jar lids.