Science
Compound machine
A machine made of two or more simple machines. Compound machine. A compound machine is a device that combines multiple simple machines to perform work more efficiently.
Efficiency
The percentage of energy input that a machine converts to work output. Efficiency. Efficiency measures how well a machine or system converts energy into useful work.
Fulcrum explained in an easy to understand way.
Inclined plane explained in an easy to understand way.
Input force
The force applied to a machine. Input force. Input force is the push or pull applied to a machine to make it work.
Joule
The SI unit of energy, also known as the Newton-meter, is joule. A joule is the energy needed to move an object one meter with a force of one newton.
Lever explained in an easy to understand way.
Machine
A device that makes work easier by changing the size or direction or both of a force. Machine. A machine is a tool that helps us do tasks by altering how forces are applied.
Mechanical advantage
The ratio of the output force to the input force in a machine mechanical advantage. Mechanical advantage is how much a machine multiplies the force you put into it, making it easier to do work.
Output force
The force exerted by a machine. Output force. In simple terms, output force is the force that a machine applies to move or lift an object.
Power
The rate at which work is done, it is measured in watts W. Power. In simple terms, power is how quickly energy is used or transferred.
Pulley explained in an easy to understand way.
Screw explained in an easy to understand way.
Wedge explained in an easy to understand way.
Wheel and axle explained in an easy to understand way.
Work explained in an easy to understand way.
