Forces in Fluids

Why do snowshoes make it easier to walk on snow?

• Because, Stone Cold says so!

• Because, snow is cold

• Because, the larger the area over which force is distributed, the less pressure is exerted.

• I didn't do my NTGs like a lame.

What is the term that is an SI unit of Pressure

• newton

• liter

• weight

• pascal

What causes the pressure exerted by fluid?

• The force of gravity pulls down.

• Air exerts pressures because it has mass

• All the forces exerted by the individual particles combine to make up the pressure exerted by the fluid.

True or False, The formula for Density is Mass / Volume?

• True

• False

The buoyant force acts in the direction _______ to the force of gravity, so it makes an object feel light

What causes air pressure

• farts

• the weight of the air around us

• my lies

• air hoses

Tags

NGSS.MS-ESS2-5

True or False?

In a fluid that is not moving (stationary), pressure is exerted equally in all directions.

• False

• True

True or False?

Air pressure increases as elevation increases.

• True

• False

Tags

NGSS.MS-ESS2-5

Why is air pressure lower at higher elevation than lower elevation?

• Less air molecules the higher up you go.

• Because the sky is blue

• Because air pressure and stuff

• photosynthesis

True or False?

Water pressure decreases as depth increases.

• True

• False