CP Bernoulli's Principle

True or false: Lift is a force created by a difference in pressure below and above a body or object.

• True

• False

According to Bernoulli's Principle, when the wind speed is low, wind pressure is ________

• high
• low
• not enough information
• None of the above

According to Bernoulli's Principle, when the wind speed is high, wind pressure is ________

• high
• low
• not enough information
• None of the above

To generate lift, a blade is angled so the _________ pressure air moves under the blade.

• high
• low
• not enough information
• None of the above

If you blow air between these two balloons, the pressure between the balloons would_________.

• Increase
• Decrease
• Stay the same

Tags

NGSS.MS-PS2-5

Think about Bernoulli's Principle.  What do you think will happen when you have running water next to a shower curtain?

• Curtain goes outward from the shower
• Curtain goes in towards the shower
• Curtain stays the same
• Water gets the curtain wet

Bernoulli's principle creates ___ in airplanes

• Drag
• Lift
• Weight
• Friction

Fluids tend to move from an area of ______pressure to an area of ______pressure

• high, low
• low, high
• fluids don't flow

When drinking soda from a straw, the soda rises up the straw because....

• you lower the pressure in the straw and the atmosphere pushes the soda up

• you raise the pressure in the straw and the atmosphere pushes the soda down

• you exert a contact force on the drink that pulls it up the straw

• you lower the atmospheric pressure around the cup and the liquid floats upward

Tags

NGSS.MS-PS2-5

Which of the following is not a condition for a fluid

to be ideal?

• Non-viscous

• incompressible

• Transparent

• laminar flow