M.A.D. Box Quiz

Why was this build called M.A.D. Box?

• None of these answers is correct.
• M.A.D. stands for Mechanical Advantage Device.
• M.A.D. stands for Making Autos Drive.
• It was angry.

How many different sizes of gears did the M.A.D. build include?

• Three
• Two
• One
• Four

A gear ratio has two types of gears: a driving gear and a driven gear. Which of the following is the best definition of a driven gear?

• It is always larger than the driving gear.
• It is always smaller than the driving gear.
• It is turned by the driving gear.
• It turns first.

Which of the following best describes a gear ratio that has the mechanical advantage of torque?

• The driving gear is larger than the driven gear and power is increased.
• The driving gear is larger than the driven gear and speed is increased.
• The driving gear is smaller than the driven gear and speed is increased.
• The driving gear is smaller than the driven gear and power is increased.

Which of the following best describes a gear ratio that has the mechanical advantage of speed?

• The driving gear is smaller than the driven gear and speed is increased.
• The driving gear is larger than the driven gear and speed is increased.
• The driving gear is smaller than the driven gear and power is increased.
• The driving gear is larger than the driven gear and power is increased.

True of False. The M.A.D. Box Can show speed and torque advantages at the same time.

• True
• False

To see the M.A.D. Box's speed advantage, you turn which handle?

• The one that shared the shaft with a 60-toothed gear.
• The one that shared a shaft with the 12-toothed gear.
• The one that shared a shaft with the 36-toothed gear.
• None of these answers are correct.

You should use gears in your robot to ____.

• Create both torque and speed advantage, depending on the part of the robot and what it needs to do.
• None of these answers are correct.
• Create a speed advantage.
• Create a torque advantage

How are torque and speed advantages related to changing gears on a bicycle?

• Changing gears lets your pedalign make you move faster or shorter distances.
• All of these answers are correct.
• Changing gears lets you pedal more easily or makes you need more force to pedal.
• Changing gears lets you pedal easily up steep hills or quickly across even surfaces.

What is the gear ratio when expressed as a reduced fraction?

• 1/12
• 3/1
• 5/3
• 1/3