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Chapter 12-Part 2
Test Description: Review
Instructions: Answer all questions to get your test result.
1) A hydraulic system is used to ________________.
A
decrease pressure
B
increase pressure
C
increase force
D
increase distance
2) 0.5 m of water in a large fish tank exerts _____________ 0.5m of water in a swimming pool.
A
the same pressure on the bottom as
B
less pressure on the bottom than
C
can't determine
D
more pressure on the bottom than
3) The force you have to overcome to start an object moving is ______________.
A
air resistance
B
static friction
C
rolling friction
D
sliding friction
4) 50 mL of soda in a soda can exerts __________ 50mL of soda in a 1L bottle
A
less pressure than
B
the same pressure on the bottom as
C
more pressure than
D
can't tell
5) If an object sinks in a fluid, the buoyant force is __________ .
A
depends on the shape
B
remains the same
C
decreases
D
increases
6) In a hydraulic system, the pressure on the large piston is _______________ the pressure on the small piston.
A
greater than
B
not related to
C
less than
D
the same as
7) With action-reaction forces, ______________.
A
the forces are created at the same time
B
the action force is created first
C
the reaction force is created first
D
both forces already existed
8) The realtionship among force, mass, and acceleration is stated in ______________.
A
the law of the conservation of momentum
B
Newton's first law of motion
C
Newton's third law of motion
D
Newton's second law of motion
9) As an object sinks in a fluid, the buoyant force is ______________ the weight of the object.
A
the same as
B
greater than
C
less than
D
doesn't apply
10) Air resistance __________________ as you move faster.
A
depends on the shape
B
decrease
C
increases
D
remains the same
11) As the speed of a fluid increases, ________________.
A
the pressure increases
B
the volume decreaes
C
the force decreases
D
the pressure decreases
12) Whenever a body is in motion, there is always _____________ to oppose the motion.
A
acceleration
B
inertia
C
friction
D
gravity
13) According to Newton's second law of motion, ___________.
A
F=ma
B
F=m/a
C
F=mv
D
a=Fnet/m
14) The distance traveled divided by the time taken to travel the distance is _____________.
A
mass
B
average speed
C
speed
D
momentum
15) The relationship among force, mass, and acceleration is stated in ___________________.
A
Newton's first law of motion
B
the law of the conservation of momentum
C
Newton's third law of motion
D
Newton's second law of motion
16) When you graph the motion of an object, you put _______ on the horizontal axis and __________ on the vertical axis.
A
speed, time
B
time, speed
C
distance, time
D
time, distance
17) On a speed-time graph, a horizontal line shows the change in speed is ___________.
A
0
B
1
C
-10
D
10
18) Speed is the rate of change in ______________.
A
distance
B
velocity
C
time
D
direction
19) To describe velocity you need to know ____________.
A
speed and direction
B
direction and acceleration
C
speed and time
D
speed and acceleration
20) Forces that are equal in size but opposite in direction are ______________.
A
inertial forces
B
net forces
C
balanced forces
D
frictional forces
*select an answer for all questions
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