VEX V5 Jeopardy

VEX V5 Hardware

100

For 100. What is the official name of the VEX V5 motor?

Smart Motor or Actuator

200

For 200. What are the two colors of the standard VEX V5 drive wheels found in our classroom?

Green and Gray

300

For 300. What type of cord charges BOTH the VEX V5 Brains and VEX Controllers?

Micro USB

400

For 400. What is the difference between a C-Channel and a U-Channel?

U-Channel has 3-stud tall sides, C-Channel has 1-stud tall sides.

500

For 500. What are the three types of nuts? And, what is distinct about each type?

Hex Nuts - Flat, Normal
Keps Nuts - Teeth
Nylock Nuts - Plastic/Nylon in the center

VEX V5 Programming

100

For 100. What does the "while" loop do?

Repeats nested code as long as the given condition is true.

i.e. While button pressed, move motor forward.

200

For 200. What block increases a motor's speed?

set drive velocity to 50%.

Need the keywords set and velocity.

300

For 300. Name three different types of variables.

Characters, Strings, Integers, Doubles, Floats, Booleans, etc.

400

For 400. What are the three possible coding languages for VEX V5?

C++, Python, Blocks/Scratch

500

For 500. How do you add a sensor to your VEX V5 code?

Add a device, 3-wire, sensor.

Gears & Mechanics

100

For 100. What is a gear ratio?

The ratio of the number of teeth on two gears.

200

For 200. What is the definition of torque?

A rotational force.

300

For 300. What is the name of the gear that receives power from the DRIVER/DRIVING gear?

The Driven Gear.

400

For 400. What is the formula for Speed?

Speed = Distance / Time

500

For 500. What equals speed * torque?

speed * torque = power

Math

100

For 100. What is the difference between a circle's radius and diameter?

Radius is half of the circle's diameter. Diameter is the width of the circle.

200

For 200. What are the three dimensions in which we and our robots move?

X, Y, Z

300

For 300. If a motor turns a gear with 12 teeth, which turns a gear with 36 teeth, how much slower does the second gear turn? 

3 times slower

400

For 400. A gear system has two sets of gears. The first set has a 2:1 ratio, and the second set has a 4:1 ratio. What is the overall gear ratio? 

8:1

500

For 500. How do you convert radians to degrees?

Degrees = Radians * (180 / pi)

VEX V5 Sensors

100

For 100. What is the official name of the "button" sensor

Bump Sensor

200

For 200. How many Line Trackers sensors are needed to accurately track a line?

3 Line Trackers

300

For 300. How do you connect a sensor to the VEX V5 Brain?

Connect it to one of the 3-wire ports.

400

For 400. This sensor is typically used to detect the end of travel for a moving part.

Limit Switch

500

For 500. How does the Ultrasonic Sensor measure distance?

By measuring the time it takes sound waves to return.