Machines Flashcards
how do simple machines work?
Simple machines work by changing the direction or amount of force.
what are the 6 main parts of a simple machine?
Lever
Pulley
Wheel and axle
Inclined Plane
Screw
Wedge
what is a lever?
A rigid bar that can rotate around a fixed point called a fulcrum
what is a pulley?
Consists of a wheel with a groove that a rope or belt fits into.
what is a wheel and axel?
Consists of a wheel (a circular object) that rotates around an axle (a centre point).
what is an inclined plane?
Flat, slanted surface that allows you to move objects up or down with less effort
what is a screw?
An inclined plane wrapped around a cylinder. It is used to
hold things together
what is a wedge?
Triangular-shaped tool that has a thick end and a thin end.
what is laser cutting?
Laser cutting is a technology that uses a laser to vaporise materials, resulting in a cut edge.