What is this VEX Robot part?

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

What is this VEX Robot part?

• Spur Gear
• Wheel
• Sprocket Gear
• Bevel Gear

Using the picture, which part is being shown?

• plastic collars
• screws
• nuts or bolts
• metal collars

What is the name of this part?

• Keps Nut
• Nylock Nut
• Screw
• Collar

If on a bike, which kind of gear would be used?

• belt drive
• chain drive
• simple gear train
• bevel gear

VEX part

• cam
• carriage

Name the Mechanism: 

• Bevel
• Worm and Wheel
• rack and pinion 
• simple gear

The purpose of a gear mechanism is:

• change the direction of movement
• change the speed
• change the power/force
• all of the above 

Torque is....

• ...speed
• ... not school appropriate. 
• ...a set variable
• rotational power

True or false:
If speed increases torque also increases

• True
• False