Mechanical Advantage

Which of the following best describes 'force'?

• A push or pull that can change an object's motion.

• Another name for the gears

• Speed

• Only something in Star Wars

What can mechanisms change?

• Type of movement

• Speed

• Force/Torque

• Direction

What happens when forces are balanced on your robot?

• The robot moves

• The robot will not move

• The robot's mass will decrease

• The robot's mass will increase

Initial force input for your robot comes from the ________.

• Wheels

• Shafts

• Motors

• Gears

In order for a robot to push or pull another object, the force generated by the robot must be ________ any opposing forces.

• Greater than
• Less than

• Equal to

What is a gear train?

• A type of robot

• a mechanism made up of two or more gears

• One gear that is moved to different places on a robot between builds

• A type of force

Which of these configurations would cause increased speed?

• Two gears of the same size

• A small gear driving a big gear

• A big gear driving a small gear

How do you find the gear ratio?

• Input/Output

  "In over out"

• Add the teeth on input and output

• Output/Input

  Out "over" in

• Subtract the smallest gear from the largest