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Physical Science - Chapter 7 Part 2
Test Description: Forces in Fluids
Instructions: Answer all questions to get your test result.
1) Out of a diver 2 meters underwater in a pool, a diver 5m underwater in a lake, a diver 10m underwater in a sea and diver 7m underwater in an ocean, whom has the most pressure exerted on them by the water?
A
diver at 10 meters
B
diver at 5 meters
C
diver at 2 meters
D
diver at 7 meters
2) What causes air to enter into a tornado?
A
The air pressure is lower outside the tornado than inside (Bernoulli’s Principle)
B
The air pressure is higher inside the tornado than outside (Bernoulli’s Principle)
C
The air pressure is the same inside and outside the tornado (Bernoulli’s Principle)
D
The air pressure is lower inside the tornado than outside (Bernoulli’s Principle)
3) Used to determine buoyant force (The Pool filled to the top method)
A
Archimedes’ principle
B
Bernoulli’s principle
C
Pascal’s principle
D
buoyant force
4) Forward force produced by an airplane’s or rocket’s engines
A
turbulence
B
thrust
C
drag
D
density
5) Used by hydraulic devices to multiply force (as in car brakes)
A
Archimedes’ principle
B
buoyant force
C
Bernoulli’s principle
D
Pascal’s principle
6) Irregular flow of fluids (plane shakes while you’re in it)
A
drag
B
thrust
C
density
D
turbulence
7) Force exerted on an object that increases as the density of the fluid increases
A
buoyant force
B
swim bladder
C
pascal
D
ballast tanks
8) Force that works against the forward motion of a plane (air friction)
A
thrust
B
buoyant force
C
drag
D
turbulence
9) The pressure in a fluid decreases as the fluid’s velocity increases (ping pong)
A
Bernoulli’s principle
B
buoyant force
C
Pascal’s principle
D
Archimedes’ principle
10) Organ used by fish to stay afloat
A
ballast tanks
B
turbulence
C
pascal
D
swim bladder
*select an answer for all questions
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