gravity
Other forces
Density
Pressure & Buoyancy
Miscellaneous
100
The force that attracts two masses to each other is called this?
Gravity
100
When an object is suspended by a piece of string, this force pulls on and stretches a string?
Tension force.
100
Which laboratory instrument is used to measure mass?
Beam balance
100
While swimming at the surface of the ocean you feel 14 psi of pressure, what pressure does your body feel if you swim down 33 feet?
28 psi
100
What method do we used to measure volume of irregular objects?
Volume by displacement
200
A feather and a baseball are dropped from the same height in a vacuum chamber. Which will hit the bottom of the chamber first?
They will hit at the same time
200
If you were to shape a piece of clay by pressing it between your hands, you would be demonstrating this type of force?
Compression force
200
You have a box that measures 2 cm x 2 cm x 4 cm, what would the volume be?
16 cm³
200
When an object is floating, which force is counteracting the force of gravity?
Buoyant force
200
We can describe density using g/ cm³, which other standard unit of measure can we use for this?
g/mL (grams per milliliter)
300
Which force, and by which celestial bodies, keep the moon in orbit around the earth?
The gravitational pull between the moon and earth
300
Santiago is trying to push a crate across a parking lot, which force is opposing this motion?
Friction force.
300
If we take an object’s mass and divide that by its volume, we come up with what measurement of that object?
It’s density
300
Which principle says that the weight of the fluid displaced by an object is equal to the buoyant force?
Archimedes’ principle
300
When describing pressure in fluids, in which direction do these forces affect an object?
In all directions or vectors
400
If an object falling to the ground is moving far enough forward as it falls, it is said to be doing this?
In orbit
400
A rocket moving through the atmosphere is opposed by this type of friction?
Fluid friction
400
Density is a property that can be used to do this?
Identify a substance
400
Which property can be used to predict whether an object will float or sink in water?
It’s density
400
What is the single unit designation for one Newton of force divided by 1 m²?
1 Pascal (Pa)
500
Which measurement of an object depends on the force of gravity and its mass?
It’s weight
500
If the force pressing two surfaces together affect frictional force, which second factor determines static friction?
The type of surface opposing motion.
500
If we apply a 5 N force over a large surface area, what happens to the pressure if this force is applied over a small surface area?
The pressure increases
500
Describe the amount of oxygen you take in with each breath at the top of Mount Everest compared to the beach in Santa Cruz?
Less oxygen at elevation
500
What is the direction or vector of the buoyant force?
Pointing straight up and counteracting gravity
M
e
n
u