PLTW Mechanism

Front

A force in a circular direction is called

Back

torque.

Front

A comparison of the number of teeth of one gear to another.

Back

gear ratio

Front

Movement in a circular motion

Back

Rotary

Front

Movement that goes back and forth in a straight line

Back

Reciprocating

Front

Movement along an arched path; back and forth

Back

oscillating

Front

The gear train in which diagram provides more torque? Options: A, B

Back

B

Front

Which gear train would you use to apply the force necessary to ride up a hill?

Back

B

Front

What happens to speed when you increase torque?

Back

Speed decreases

Front

The input gear has 6 teeth.
The output gear has 48 teeth.  The gear ratio is...

Back

8:1

Front

What is the BEST explanation for a gear train with a 7:1 gear ratio?

Back

The driven gear turns 7 times for 1 turn of the drive gear.