6 SIMPLE MACHINES!
Lever, Wheel & Axle , Pulley , Screw , Incline Plane & Wedge
Wheel & Axle
A wheel & axle is a small cylinder that is joined to a large cylinder wheel. It is used to move heavy loads usually across the grounds.
Pulley
A pulley makes work easier by changing the direction of the force.
Screw
Inclined plane that is coiled around a shaft .Converts rational motion into linear motion.
How To Choose Nails And Screws - DIY At Bunnings
Lever
Lever is a rigid bar around a fixed point is called fulcrum use effort to make the load move. There are 3 types o lever . Class 1 - Between load & effort. Class 2 Fulcrum one end & one at the other end. Class 3 - Effort in the middle .
Wedge
Two included planes sandwiched together changes the force from moving downwards to moving outwards.
Inclined Plane
Simply titled surface .The steeper the slope the more effort it take to pull/push something up.