Lesson 2 Vocab

The part of a machine which contains two or more pieces arranged so that the motion of one compels the motion of the others.

• gear

• mechanism

• machine

• ratio

Information fed into a system.

• input

• output

• feedback

• information

A push or pull on an object.

• torque

• speed

• force

• pull

A toothed wheel that works with others to alter the relation between the speed of an engine and the speed of the driven parts.

• gear

• wheel

• mechanism

• ratio

Circular movement.

• reciprocating

• rotary

• linear

• oscillating

A twisting force.

• rotary

• force

• torque

• oscillating

The ratio of the speed of the driving member of a gear train to that of the driven member.

• driven

• drive

• gear ratio

• torque

The member of a pair of gears to which motion and power are transmitted by the other. The output gear.

• driven gear

• drive gear

The gear which transmits power and motion to the rest of the system. The input gear.

• driven gear

• drive gear

The information produced by a computer.

• feedback

• output

• input

• driven gear