Fluids 1
Fluids 2
Fluids 3
Fluids 4
100
State the three laws of the Particle Theory
a. Particles are in motion, attracted to each other, contain energy
b. Particles attracted to each other, in motion and have weight the same
c. particles have space between them, are in constant motion and have a attractive force between them
Answer is C
100
When friction in a fluid increases what else increases?
A. Matter
B. Density
C. Elasticity
D. Viscosity
E. Number of molecules
D. Viscosity
All fluids has friction. the greater the viscosity of a fluid the greater the friction.
100
What is the formula for density?
a. density = mass x volume
b. density = mass / volume
c. density = mass + volume
d. density = mass - volume
b. density = mass / volume
100
What is buoyant force?
1. An upward force exerted by fluids on an object.
2. An downward force exerted by fluids on an object.
3. The heaviness of an object in water
4. The volume of water displaced by an object
1. An upward force exerted by fluids on an object.
200
Which will result in positive buoyancy?
a. When the buoyant force is greater than the force of gravity
b. When the buoyant force is equal to the force of gravity
c. When the buoyant force is less than the force of gravity
a. When the buoyant force is greater than the force of gravity
200
When an object floats in water it pushes some water out of the way. This is called...
a. Replacement
b. Displacement
c. volume
d. Buoyancy
b. Displacement
200
The measure of the force of gravity acting on the mass of an object is referred to as
Weight
200
One unique property of gases is that all gases
a. have high density
b. can be compressed
c. have a defined volume
d. moves from low concentration to high
b. can be compressed
300
Which of the following physical properties of water does NOT change during the transformation of ice to liquid
a. Mass
b. Volume
c. Density
d. Buoyancy
e. All of the above will not change
Mass
300
Water has a density of
a. 1.00 g/ml
b. 1.1 g/ml3
c. 00.1 g/cm3
d. 1.00 g/ml2
e. 1.00 g/ml3
e. 1.00 g/ml3
300
The object remains level in the fluid because the object weighs the same as the fluid it displaces
a. Buoyancy
b. Positive Buoyancy
c. Negative Buoyancy
d. Balanced Buoyancy
e. Non of the above
Non of the above.
The answer is Neutral Buoyancy
300
Which of the following statements are true
1. fluid with high viscosity have a high flow rate
2. Fluid with low viscosity have strong cohesive forces
3. Fluids with low viscosity have a high flow rate
4. fluids with high viscosity have a thinner or more runnier consistency
3. Fluids with low viscosity have a high flow rate
400
Which liquid is the most dense?
a. oil
b. water
c. syrup
d. plastic bottle
c. Syrup
Though plastic is a solid and you may think it has a higher density, depending on the type of plastic material most are less dense then water.
400
If the density of a bar of gold is 19.3 g/cm3and you cut it into 4 pieces, what is the density of each piece of gold?
4.825 g/cm3
9.65 g/cm3
19.3 g/cm3
38.6 g/cm3
19.3g
400
Which of the following is true as temperatures become warmer
a. Fluid becomes more viscous
b. Fluid becomes less dense
c. Fluid becomes less viscous
d. Fluid becomes more buoyant
e. Answer is B and C
f. All of the above are true
e. Answer is B and C
400
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a. 3 g/cm3
b. 1/3 g/cm3
c. 27 g/cm3
d. 39 g/cm3
a. 3 g/cm3
500
A man has a mass of 80 kg on Earth. What is his mass on the Moon?
a. 80 kg
b. 80 N
c. 128 kg
d. 800 kg
a. 80 kg
500
A confined liquid in a pressurized closed system is referred to as which system
a. hydraulic system
b. Pneumatic system
c. pressurized system
d. Confined system
a. hydraulic system
500
A fluids ability to be squeezed into a smaller volume or space is referred to as ...
Compressability
500
Who was the first person to connect displacement of water with buoyancy?
a. Mr. Müller
b. Plato
c. Archimedes
d. Picasso
e. Plato
f. Albert Einstein
c. Archimedes