Mechanisms are used to . . .

• change the direction of movement.

• change the speed or torque of movement.

• change the type of movement.

• all of these

Will these gear rotate in the same or opposite directions?

• Same direction

• Opposite directions

Will the first and last gears in this gear train rotate in the same direction?

• Yes

• No

Which gear is the INPUT?

• Left gear

• Right gear

The gear ratio is the relationship between . . .

• an input gear and output gear.

• speed and torque.

• the number of teeth and the diameter of a gear.

• none of these

Which gear is the INPUT?

• Left gear

• Right gear

Which gear is the OUTPUT?

• Left gear

• Right gear

Which gear is the OUTPUT?

• Left gear

• Right gear

In this gear train, the output speed _____.

• increases.

• decreases.

• remains constant.

In this gear train, the output speed _____.

• increases.

• decreases.

• remains constant.