A screw is a simple machine that helps keep something together. it starts with a head and goes down the metal in a spirol finishing at a point.
A lever is a rigid object that is used with an appropriate fulcrum or pivot point to multiply the mechanical force that can be applied to another object.
a ramp is one of the basic machines. It reduces the force necessary to move a load a certain distanc'e up by providing a path for the load to move at a low angle to the ground.
A lever is a rigid object that is used with an appropriate fulcrum or pivot point to multiply the mechanical force that can be applied to another object.
a ramp is one of the basic machines. It reduces the force necessary to move a load a certain distanc'e up by providing a path for the load to move at a low angle to the ground.