Gears and Torque

What is torque?

• A linear force

• A twisting force

• A rotational force

• A pushing force

What is horsepower?

• The rate of torque

• The frequency of torque application

• The strength of rotation

• The speed of rotation

How can gears be used to manipulate torque and speed?

• By increasing the motor size

• By decreasing the gear ratio

• By increasing the gear ratio

• By removing the gears

What is the gear ratio between the small gear and the large gear?

• 1:1

• 1:5

• 5:1

• 8:40

What happens to the torque when using gears?

• It decreases

• It increases

• It remains the same

• It depends on the gear size

What happens to the speed when using gears?

• It decreases

• It increases

• It remains the same

• It depends on the gear size

Why does increasing the gear size increase torque?

• Because it increases the speed

• Because it decreases the force

• Because it increases the leverage

• Because it decreases the distance

What is the gear ratio when the driver and driven gears are switched?

• 1:1

• 1:5

• 5:1

• 8:40

What happens to the torque and speed when the driver and driven gears are switched?

• Torque increases and speed decreases

• Torque decreases and speed increases

• Torque and speed both increase

• Torque and speed both decrease

Why do car transmissions have different gear ratios?

• To increase torque and speed

• To decrease torque and speed

• To increase torque and decrease speed

• To decrease torque and increase speed