PLTW

Which antibiotic is the best?

• A

• B

• C

• D

You have a patient that is experiencing a cough, fatigue, fever, body aches, and a headache. What lab test would you want to do on this patient?

• common cold

• influenza (flu)

• pneumococcal pneumonia

• tuberculosis (tb)

A 36 tooth driving gear (connected to the motor) is moving a 12 tooth driven gear. What is the gear ratio?... It has a speed advantage.

• 3:1

• 1:3

• 3:3

• 1:1

A 12 Tooth driving gear (connected to the motor) is connected to a 36 tooth driven gear. What is the gear ratio and mechanical advantage?

• 3 : 1 Torque Advantage

• 3 : 1 Speed Advantage

• no Mechanical Advantage

• 1 : 3 Torque Advantage

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Looking at the picture, what is the gear ratio?

The arrow indicates how the motor is turning the gear.

• 6 : 10

• 5 : 3

• 10 : 6

• 3 : 5

Looking at the picture, what is the gear ratio?

The arrow indicates how the motor is turning the gear.

• 4 : 6

• 6 : 4

• 2 : 3

• 3 : 2

What is the gear ratio (in lowest terms)?

• 1 : 2

• 30 : 60

• 2 : 1

• 60 : 30

What is the gear ratio (in lowest terms)?

• 3 : 1

• 1 : 3

• 25 : 75

• 75 : 25

Tags

NGSS.MS-PS2-1

What is the gear ratio (in lowest terms)?

• 80 : 20

• 1 : 4

• 4 : 1

• 20 : 80

If the pink gear is the input gear and the blue gear is the output gear, what will happen with speed and torque?

• increase speed, decrease torque

• decrease speed, increase torque

• speed & torque remain constant

• No mechanical advantage

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2