Vex Gears

The claw-bot currently uses gear trains that have mechanical advantages for POWER?

• YES

• NO

• I DO NOT KNOW

• DO NOT PICK THIS RESPONSE

Tags

NGSS.MS-PS2-1

You can change the gearbox to modify the speed-torque mix of the motor. What color gearboxes are used, in order from slowest (most torque) to fastest (least torque)?

• Blue, Green, Red

• Red, Blue, Green

• Red, Green, Blue

• Green, Blue, Red

Tags

NGSS.MS-PS2-1

NGSS.MS-ETS1-3

What may be used to modify the amount of torque delivered to a wheel from a motor?

• Gears

• Bearings

• Standoffs

• Chains

Tags

NGSS.MS-PS2-1

What are these pieces called?

• Axles

• Rubber Shaft Collars

• Motor

• Gears

Tags

NGSS.MS-PS2-1

True or False:

A gear ratio is the ratio of the number of rotations of a driver gear to the number of rotations of a driven gear.

• True

• False

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the gear ratio with a driving gear with 40 teeth and a driven gear with 8 teeth?

• 5

• 1/5

• 5/8

• 8/5

Tags

NGSS.MS-PS2-2

What is the Gear Ratio of a driven gear with 8 teeth and a driving gear with 32 teeth?

• 4

• 1/4

• 0.4

• 0.25

What is the primary function of gears in a mechanical system?

• To increase speed

• To change direction

• To transmit torque

• To reduce friction

Tags

NGSS.MS-PS2-2

True or False: In a gear train, the gear with more teeth will rotate faster than the gear with fewer teeth.

• True

• False

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If a gear train consists of a driving gear with 20 teeth and a driven gear with 60 teeth, what is the gear ratio?

• 1:3

• 3:1

• 1:2

• 2:1