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