Forces and Motion
Forces in Fluid
Fluids and Pressure
Forces in Fluid
Fluids and Motion
100
This is the product of the mass and velocity of an object.
What is Momentum?
100
This is any material that can flow and take the shape of its container.
What is a fluid?
100
As altitude increases, this happens to atmospheric pressure.
What is decreases?
100
This is the upward force that a fluid exerts on all objects in fluid.
What is buoyant force?
100
These are two factors that affect lift.
What are Speed and Wing Shape?
200
List two ways an object's momentum could be increased.
What is increase the velocity and mass?
200
This is the force exerted on a given area.
What is pressure?
200
Explain why pressure on a diver increases as depth increases.
What is the total pressure on the diver is the sum of the water and atmospheric pressure?
200
This principle states that the weight of displaced water equals the buoyant force of the water.
What is Archimedes' Principle?
200
This is the forward force that a plane's engine produces.
What is Thrust?
300
You need these in order to calculate an object's momentum.
What are mass and velocity?
300
This is why bubbles are round.
What is they exert the same pressure in all directions?
300
This the measure of how closely packed the particles in a substance are.
What is density?
300
An object will do this when its weight is less than the buoyant force.
What is Float?
300
The pressure below a plane's wing that exerts an upward force is called this.
What is lift?
400
During a collision, the total momentum of the two object remains the same as a result of this.
What is The Law of Conservation of Momentum?
400
This is the SI unit for force.
What is a Pascal?
400
Explain why doe air flow out of your lungs when you exhale.
What is air want to go from high pressure areas to low pressure areas?
400
If a log floating on the water is pushed underwater, it will pop back up because of this reason.
What is the buoyant force is greater than the log's weight?
400

Joe weighs 290 N and displaces 300 N of water as he swims under water in a pool. Calculate the buoyant force on Joe?

What is 300 N of upward buoyant force

500
A 6 kg bowling ball is moving at a 10 m/s down the alley toward the pins. Calculating its momentum equals this.
What is 60 kg/s?
500
The pressure caused by the layer that covers earth is called this.
What is atmospheric pressure?
500

A leaf enters a drainpipe, and the pressure in the water increases from 10 Pa to 30 Pa. What happens to the leaf's speed?

What is it decreases.

500
This principle states that as the speed of a moving fluid increases, the fluid's pressure decreases.
What is Bernoulli's Principle?
500
The force in a fluid that opposes or restricts motion is called this.
What is drag?
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