Gear Ratio Practice

What's the ratio?

• 1:1

• 84 : 60

• 60 : 84

What's the ratio?

• 1:1

• 84 : 60

• 60 : 36

What's the ratio?

• 1:1

• 60 : 36

• 36 : 60

What's the ratio?

• 1:1

• 12 : 84

• 84 : 12

If the small gear is input gear, what is happening to the torque?

• Increase

• Decrease

• Remains constant

• Not enough information

# of teeth input gear = 60

# of teeth output gear = 36

What is the gear ratio (in lowest terms)?

• 36:60

• 60:36

• 3:5

• 5:3

The input gear in the image is the larger gear. Calculate the gear ratio (in lowest terms)

• 4:6

• 6:4

• 2:3

• 3:2

# of teeth input gear = 24

# of teeth output gear = 4

What is the gear ratio (in lowest terms)?

• 4:24

• 1:6

• 2:12

• 1:9

# of teeth input gear = 10

# of teeth output gear = 6

What is the gear ratio (in lowest terms)?

• 6:10

• 3:10

• 10:6

• 3:5

When gears are equal in size, what happens to the speed and torque?

• Speed increases; torques decreases
• Speed decreases; torque increases
• Speed and torque are constant