Simple Machines Review

How many types of simple machines do we have

An inclined plane wrapped around a centre rode is

• screw

• wedge

• lever

• wheel and axle

A simple machine that spilt the object into two parts

• wedge

• lever

• screw

• incline plane

Knife is an example of which simple machines

• wedge

• lever

• screw

• inclined plane

tools that make difficult task easier are

name the simple machine

A plank that rests on something underneath and moves up and down

A wheel and rope that can change the direction of a force

A simple machine that has a gently slopped surface so it can used to move objects upwards with the less force

name the simple machine