WorksheetsFluids and Pressure Study Guide
Total questions: 16
Worksheet time: 9mins
In order for a fluid to flow, it will travel from an area of __________ pressure to ____________ pressure
high to low
low to high
equal
all of the above
Why is fluid pressure exerted evenly in all directions?
because you push down evenly
pressure is flowing and bumping the outside of the container
particles of fluids are constantly moving and collide with each other
pressure is moving at a slow speed
All of these are reasons that the canoe would float except
the shape of the canoe
the atmospheric pressure at that altitude
the density of the material that the canoe is made of
the number of people in the canoe
What are two things you need to know to calculate pressure? (There are two answers)
mass of the object
gravity
force
area over which force is applied
velocity
Which of the following are the SI unit for pressure (more than 1 answer)
N/m2
Pa
Pascal
Newton
The pressure exerted by a force of 35 N over an area of 5 cm2?
40 Pa
7 Pa
30 Pa
175 Pa
Ice floats in water because
it is smaller
it is less dense than water
it is more dense that water
everything floats in water
Which of the following is NOT an example of Bernoulli's principle?
Smoke rising up a chimney
an atomizer spraying perfume
ice floating in water
airplane wings lifting the airplane
A hydraulic system is described by what principle?
Bernoulli's
Pascal's
Pressure
Newton's
What is the equation for density?
force / volume
mass / volume
volume / mass
mass X volume
The pressure in the fluid decreases as the speed of the fluid _____
stays the same
decreases
increases
they are not related
What is atmospheric pressure?
the pressure exerted by oxygen on a given surface
the pressure exerted by the gas in Earth's atmosphere
the pressure from the clouds
The pressure that space pushes down on Earth
True or False: A fluid is a substance that takes up the shape of its container
True
False
True or False: Archimedes Principle states that the buoyant force on an object is equal to the volume of fluid displaced
True
False
A forestry worker accidentally strikes a pipe with the end of a pickaxe while trying to dig a hole. If the pickaxe strikes with a force of 2000 N and the end of the pickaxe measures 0.02 m by 0.04m, how much pressure is exerted on the pipe by the pickaxe?
100,000 Pa
33,333.33 Pa
1.6 Pa
2,500.000 Pa
The large piston in a hydraulic lift has an area of 220 cm2. What force must be applied to the small piston with an area of 2.0 cm2 in order to raise a car the mass of 1500 N?
13.6 N
165,000 N
19.4 N
16.3 N
