PLTW AR Vocab

Front

What is an Input Gear?

Back

An Input Gear is something put into a system, such as resources, information, or signals, in order to achieve a result.

Front

What does Rotary motion mean?

Back

Rotary motion refers to movement in a circular motion.

Front

What is a gear ratio?

Back

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

Front

What happens to speed if torque increases?

Back

If torque increases, speed decreases.

Front

What is a Driven Gear?

Back

A Driven Gear is the member of a pair of gears to which motion and power are transmitted by the other; it is the output gear.

Front

What is the purpose of a Drive Gear?

Back

A Drive Gear is the gear that provides the input motion and power to the gear train.

Front

Define Idler Gear.

Back

An Idler Gear is a gear that transmits motion between two other gears but does not affect the gear ratio.

Front

What is the difference between Linear and Rotary motion?

Back

Linear motion is movement in a straight line, while Rotary motion is movement in a circular path.

Front

Explain Oscillating motion.

Back

Oscillating motion is the back-and-forth movement around a central point.

Front

What is the function of a Simple Gear Train?

Back

A Simple Gear Train is a system of gears that transmits motion and power from one gear to another.