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Worksheets

VEX IQ Mechanisms

Total questions: 25

Worksheet time: 16mins

Name
Class
Date
1.

_________ converts electrical energy into mechanical energy through the use of electro-magnetic fields and rotating wire coils.

a)

Motor Loading

b)

Stalls

c)

DC Motors

2.

__________ happens when there is any opposing force (such as friction or a heavy mass) acting as a load and requiring the motor to output torque to overcome it.

a)

DC Motors

b)

Stalls

c)

Motor Loading

3.

If you keep increasing the load on a motor it will eventually stops spinning or ___________

a)

Stalls

b)

Motor Loading

c)

DC Motors

4.

________________ expresses the relationship between a Driving Gear and a Driven Gear in a system.

a)

Driving Gear

b)

Driven Gear

c)

Gear Ratio

d)

Gear Train

e)

Idler Gears

5.

A _________________ is the gear connected to the input power source, such as a motor.

a)

Driving Gear

b)

Driven Gear

c)

Gear Ratio

d)

Gear Train

e)

Idler Gears

6.

A _________________ is the gear connected to the output, such as a wheel or mechanism in a system.

a)

Driving Gear

b)

Driven Gear

c)

Gear Ratio

d)

Gear Train

e)

Idler Gears

7.

A simple _________________ is a connected set of rotating gears that transmits power from an input to an output.

a)

Driving Gear

b)

Driven Gear

c)

Gear Ratio

d)

Gear Train

e)

Idler Gears

8.

All gears in between the Driving Gear and the Driven Gear that only transmit power are known as _________________.

a)

Driving Gear

b)

Driven Gear

c)

Gear Ratio

d)

Gear Train

e)

Idler Gears

9.

The robotic subsystem that provides the ability to move is often known as a _______________________.

a)

Chassis

b)

Turning Scrub

c)

Wheelbase

d)

Drivetrain

10.

A __________________ is the structure of a mobile robot that holds wheels, motors, and/or any other hardware used to make up a drivetrain.

a)

Chassis

b)

Turning Scrub

c)

Wheelbase

d)

Drivetrain

11.

_____________________ is the friction that resists turning.

a)

Chassis

b)

Turning Scrub

c)

Wheelbase

d)

Drivetrain

12.

The __________________ is the distance between Drivetrain wheels.

a)

Chassis

b)

Turning Scrub

c)

Wheelbase

d)

Drivetrain

13.

An ________________________ is a mechanism that allows a robot to interact with objects in its environment.

a)

Plow

b)

Object Manipulator

c)

Scoop

d)

Accumulator

e)

Friction Grabber

14.

A _________________ moves objects without actually picking them up and they are by far the easiest manipulator type to design and build.

a)

Plow

b)

Object Manipulator

c)

Scoop

d)

Accumulator

e)

Friction Grabber

15.

A _________________ applies force underneath an object such that the object can be elevated and carried

a)

Plow

b)

Object Manipulator

c)

Scoop

d)

Accumulator

e)

Friction Grabber

16.

A _________________ applies a force to an object in at least two places, allowing the object to be pinched or grabbed.

a)

Plow

b)

Object Manipulator

c)

Scoop

d)

Accumulator

e)

Friction Grabber

17.

Any specialized Object Manipulator designed to collect and hold multiple objects at one time is known as an _______________________.

a)

Plow

b)

Object Manipulator

c)

Scoop

d)

Accumulator

e)

Friction Grabber

18.

A ___________________ refers to an object’s ability to move in a single independent direction of motion.

a)

Rotating Joints

b)

Elevator

c)

Lifting Mechanism

d)

Degree of Freedom

e)

Linkages

19.

A ____________________ is any mechanism designed to move to perform tasks and/or lift objects.

a)

Rotating Joints

b)

Elevator

c)

Lifting Mechanism

d)

Degree of Freedom

e)

Linkages

20.

The most frequently used lifting mechanism in mobile and competition robotics is a ________________________ .

a)

Rotating Joints

b)

Elevator

c)

Lifting Mechanism

d)

Degree of Freedom

e)

Linkages

21.

An _________________________ uses linear (straight line) motion to lift straight up.

a)

Rotating Joints

b)

Elevator

c)

Lifting Mechanism

d)

Degree of Freedom

e)

Linkages

22.

_____________________ convert an input motion into a different type of output motion.

a)

Rotating Joints

b)

Elevator

c)

Lifting Mechanism

d)

Degree of Freedom

e)

Linkages

23.

Does this gear ratio provide more speed, torque, or equal amounts of both?

a)

Speed

b)

Torque

c)

Equal

d)

11

24.

What is the SIMPLIFIED GEAR REDUCTION for this gear ratio?

a)

12/60

b)

60/12

c)

1/5

d)

5/1

e)

Torque

25.

What is the COMPOUND GEAR REDUCTION shown here?

a)

12/60 x 12/36

b)

5/1 and 3/1

c)

Torque

d)

15/1