Vex IQ Lesson 3 - Tractor Pull

What is this VEX Robot part?

• Spur Gear
• Rack and Pinion
• Sprocket Gear
• Vex Cortex

What is this VEX Robot part?

• Bump Switch
• Wheel
• Sprocket Gear
• Axel

The purpose of a gear train is to...

• provide all gears with mechanical advantages

• cause energy output from motor to brain

• transfer motion from one part of a robot to another

• transfer radio signals for tele-operative purposes

Name that part...

• Controller

• Brain

• Battery

• iluvturtles.com

Calculate the following gear ratio

• 1:4

• 2:20

• 10:60

• 1:6

Which gear is connected to the motor?

• 20 teeth gear

• 809 teeth gear

• 80 teeth gear

• 1:4 gear

• Match the Following

• Mechanical Advantage

• • the gear which is connected to the input force (such as a motor)

• Driving Gear

• • Advantage gained by the use of a mechanism in transmitting force. Also described as a measure of the ratio of output force to input force in a system.

• Torque

• • the gear which is connected to the output (such as the wheel), and moves because it’s connected to the input or driving gear

• Driven Gear

• • Measure of the force that can cause an object to rotate about an axis, also known as rotational force.

• Gear Trail

• • a mechanism that is made up of two or more gears

• 2 gears of the same size

  • ________ the direction of rotation

• • Reverses

• Speed up

• Do nothing to

• A Big gear driving a smaller gear _________ (Choose all that are true)

• • Decreases torque

• Decreases Speed

• • Increases speed

• Increases torque

What is a gear train?

• A mechanism made up of two or more gears

• A type of VEX IQ robot

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

• A type of force