The Simple Machines
A screw is an incline plane wrapped around a cylinder. Guitar tuners, boat propellers, and jar lids are all screws.
Formula: ma= pi x Diameter/lead of screw thread
a wedge is something used to put int between something and split it. Some wedges are axes, door stoppers, and the back of a hammer.
An inclined plane a flat surface pointing in a slanted direction. Types of inclined planes are ramps, slides, and tracks.
Formula= MA= length/Height
Wheel and axle
a wheel and axle is A simple machine with two wheels attached with a metal rod. Some examples are car wheels, skateboard wheels, and weights.
a pulley is a simple machine that uses weight to help lift things. Some examples are a fishing pole, A bell, and a fishing net system.
Levers are a solid material that rotate around a fulcrum. There are 3 types of leverS: class1, class 2, class 3.
A seesaw is a type of class 1 lever. A wheelbarrow is a type of class 2 lever. A Type of class 3 lever are tweezers.