Think you’ve got your head wrapped around Fluids? Put your knowledge to
the test. Good luck — the Stickman is counting on you!
Q. What properties can be used change the state of matter of a fluid?
Volume and Pressure
Force and Pressure
Temperature and Volume
Temperature and Pressure
Pressure and Friction
Q. The apple is used for space travel experimentation and placed on the floor of a rocket that accelerates upwards at a rate of 
. What happens to the apple in space?
. What happens to the apple in space? It floats up to the ceiling at a rate of 
It remains on the floor of the rocket.
It explodes due to pressure changes.
It smashes up to the ceiling at a rate of 
.
. It goes into orbit around the perimeter of the spaceship.
Q. While attending cooking school, we decide to create a signature salad dressing called Shmoop's. The ingredients at our disposal are olive oil, vinegar, and lemon juice. There are to be equal amounts of each ingredient by mass. We make 10 ml of dressing in all. Knowing that the density of oil is 
, the density of vinegar is 
, and the density of lemon juice is 
, what is the mass of the dressing in grams?
, the density of vinegar is , and the density of lemon juice is , what is the mass of the dressing in grams? 9.1 g
9.98 g
0.273 g
2.73 g
9.02 g
Q. You accidentally run over an apple with your car, such that it becomes a thin slab. Which of the following statements is correct?
The density of the apple remains constant.
The mass of the apple is reduced.
The density of the apple becomes infinite.
The volume is reduced, so the density gets higher.
The volume is reduced, so the density gets lower.
Q. Archimedes attends Zeus' garden party. Eris throws an apple of osmium over the fence with an apple volume of 2.4 × 10-4 m3. What does Archimedes do to test the metals of Eris' apple?
He weighs the apple inside water.
He measures the amount of water displaced by Eris' apple.
He drops it on the ground to test how acceleration due to gravity affects the apple.
He melts the apple and uses its melting point to determine its properties.
He exerts pressure on it to test its density.
Q. A human being has a mass of 70 kg. What weight will he be when he swims in deep water?
70 kg
It depends on his volume.
0 kg
It depends on his density.
686 N
Q. An object has a density of 
and a volume of 1 m3. What happens when you drop the object in a deep lake?
and a volume of 1 m3. What happens when you drop the object in a deep lake? The object floats submerged in water in a state of hydrostatic equilibrium.
The object sinks to the bottom of the lake.
It depends on the viscosity of the lake.
The object floats to the surface of the lake.
There is not enough information to answer this question.
Q. Air has a density of 
at sea level. A beach ball filled with air is expanded to a volume of 2 m3. Why does the beach ball float on ocean water?
at sea level. A beach ball filled with air is expanded to a volume of 2 m3. Why does the beach ball float on ocean water? Because the ball's surface area is wide enough to counteract the effects of gravity
Because water exerts a strong surface tension on the beach ball
Because the density of air is less than the density of water.
Because gravity stops the beach ball from entering the water
Because the surface of water is able to give back the energy that the beach ball loses
Q. Bernoulli's equation was derived assuming that h1 was smaller than h2. What would change in the equation if it was the other way around?
Nothing would change. The equation would still be P + ρgy + ½ ρv2 = constant.
P + ρgy + ½ ρv2 would no longer be constant.
The pressure of a fluid would increase while traveling through a smaller area.
The pressure of a fluid would remain constant throughout the flow tube.
The second and third terms would have a negative sign.
Q. What information are we missing to calculate how water displacement changes as a silver box with volume V = 100 cm3 sinks slowly to the bottom of the ocean?
We need the exact depth of the ocean to answer this question.
We need the box's mass.
We need more information regarding the box's shape.
We need to know how long the box will take to reach the bottom.
We are not missing any information.