Principles of Machines: Mechanisms vs. Machines

Mechanisms and machines are different because:

• mechanisms transfer or transform motion without adding energy, while machines do work by using energy

• machines transfer or transform motion without adding energy, while mechanisms do work by using energy

• both mechanisms and machines do the same work

• mechanisms and machines are always the same

A machine is:

• A living organism

• A device that makes work easier

• A type of food

• A natural resource

A mechanism is a piece or part of ______ such as gears, brakes, or springs.

• machinery

• furniture

• clothing

• food

A mechanism transforms one form of ______ into another.

• motion

• energy

• force

• matter

Machines use or apply ______ energy.

• mechanical

• thermal

• electrical

• chemical

Machines have several parts, each with their own ______.

• function

• color

• height

• sound

Simple machines have few or no ______ parts.

• moving

• electrical

• chemical

• digital

The input force applied to a simple machine is called ______.

• effort

• load

• resistance

• output

The output force performed by a simple machine is called ______.

• load

• effort

• power

• work

Levers are movable bars which ______ on a fulcrum attached to a fixed point.

• pivot

• slide

• rotate

• hang