• What does it mean for a robot to be Autonomous
• Questions on 5 Parts that a robots has
• Actuators/Effectors
• Degrees of freedom

Gear Ratios, such as:

• A driver gear with 8 teeth and a follower gear with 24 teeth, what is the gear ratio (and is this gearing up or down)?
• A driver gear with 32 teeth and a follower gear with 8 teeth, what is the gear ratio (and is this gearing up or down)?

Torque

TORQUE = FORCE x DISTANCE

Such as what is the torque of a 3 foot wrench with 100 pounds of force on it?

Also:

If you have a bolt that requires 1000 lb-ft torque and you can only apply 200 pounds of force, what length wrench do you require?