simple machine

Thân thiện

A child uses a simple machine called a lever to lift a heavy rock.

Definition

Noun: A simple machine is a basic mechanical device that changes the direction or magnitude of a force. It provides a mechanical advantage to make work easier. Simple machines are the fundamental building blocks from which more complex machines are constructed.

Examples

• The lever is a simple machine used since ancient times to lift heavy objects.
• An inclined plane, another type of simple machine, reduces the force needed to raise a load.
• Understanding the six classical simple machines is essential to the study of physics and engineering.

Advanced Usage

• "Ideal simple machine": A theoretical model that assumes no energy is lost to friction or deformation. In an ideal simple machine, the work input equals the work output.
• The concept is often used in educational contexts to teach fundamental principles of mechanics, force, and energy.

Variants and Related Words

• Machine (n): A more general term for any apparatus using mechanical power and having several parts, often constructed from combinations of simple machines.
• Mechanism (n): A system of parts working together in a machine.

Synonyms

• Basic machine
• Fundamental machine

Related Concepts

• Mechanical advantage: The ratio of output force to input force for a simple machine.
• The six classical simple machines are: the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw.

Học thuật

Noun

1. a device for overcoming resistance at one point by applying force at some other point

Từ đồng nghĩa

• machine