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# The force exerted by a spring on an object is proportional to

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```A longitudinal wave is:
1. A wave where the oscillation
is perpendicular to the
direction of motion
2. A wave where the oscillation
is in the same direction as
the direction of motion
94%
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.
6%
How many nodes and antinodes?
4, 5
5, 8
5, 4
4, 8
81%
13%
8
4,
4
0%
5,
8
5,
5
6%
4,
1.
2.
3.
4.
If the amplitude is twice as big,
which of the following is true of a
pendulum?
1. The pendulum swings twice
as far away from the center
2. Its period is twice as long
3. Its frequency is twice as high
4. It must have twice the mass
56%
25%
19%
...
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In any system in simple harmonic motion,
the restoring force acting on the mass in
the system is proportional to
Displacement
The length of a pendulum
The mass
frequency
71%
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e
Th
fr
eq
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7% 7%
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ng
th
is
p
la
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en
t
14%
Th
1.
2.
3.
4.
Which of the following sources of
sound has the shortest
wavelength?
1. A female soprano singer at
2,000 Hz
2. A bass guitar at 150 Hz
3. A male voice at 500 Hz
4. The rumble of thunder at 75
Hz
100%
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...
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at
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..
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500
500
500
500
400
400
400
400
400
400
Houlahan
Fejko
Stafford
Gallagher
Rusk
21. Yonkers
Longstaff
Lambert
Ward
O'Callaghan
In an oscillating mass-spring
system, the velocity of the mass is
greatest when the mass is
56%
19%
nt
ui
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eq
A
tt
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t
po
ta
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13%
...
13%
tt
he
1. At the point of maximum
displacement
2. Halfway between the equilibrium
point and maximum displacement
3. At a point where acceleration is
greatest
4. At the equilibrium point
Two successive crests of a transverse
wave are 1.20 m apart. Eight crests
pass a given point every 12.0 s. What
is the wave speed?
57%
0.667 m/s
1.80 m/s
0.800 m/s
9.60 m/s
29%
14%
9.
60
m
/s
m
/s
0.
80
0
m
/s
80
1.
66
7
m
/s
0%
0.
1.
2.
3.
4.
The period of a pendulum may
be decreased by
1. Shortening its length
2. Increasing the mass of the
bob
3. Moving its equilibrium point
4. Decreasing the mass of the
bob
94%
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its
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ng
th
6%
If the pendulum completes exactly
12 cycles in 2.0 minutes, what is
the frequency of the pendulum?
0.10 Hz
0. 17 Hz
6.0 Hz
10 Hz
44%
25%
19%
Hz
10
z
H
0
6.
H
17
0.
10
H
z
z
13%
0.
1.
2.
3.
4.
As the swinging bob of a pendulum moves
farther from its equilibrium position, the
pendulumвЂ™s _________ increases
Frequency
Mass
Restoring force
Length
75%
19%
to
rin
g
es
R
th
ng
Le
fo
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rc
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0%
M
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nc
y
6%
Fr
eq
1.
2.
3.
4.
900
800
800
800
800
800
800
700
700
700
Stafford
Rusk
21. Yonkers
Houlahan
Fejko
Lambert
Ward
French
Opet
The period of this wave isвЂ¦
88%
ds
co
n
6
se
co
n
4
se
co
n
ds
6%
ds
6%
se
1. 2 seconds
2. 4 seconds
3. 6 seconds
2
A
The amplitude of this wave isвЂ¦
100%
er
s
m
et
4
2.
m
et
0
4.
m
et
er
s
0%
er
s
0%
8
1. 4.8 meters
2. 4.0 meters
3. 2.4 meters
4.
A
The GPE of the bob of a swinging
pendulum is at its maximum when
the bob is at
Maximum displacement
The equilibrium point
The center of its swing
Minimum displacement
81%
13%
em
en
in
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sw
ts
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t
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t
po
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er
ui
lib
eq
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Th
ax
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di
s
pl
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riu
m
ce
m
en
t
6%
M
1.
2.
3.
4.
In a system in simple harmonic
motion, the amplitude depends on
1. Frequency
2. Wavelength
3. The position of the
equilibrium point
4. Energy of the system
69%
19%
13%
th
e
o.
..
of
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gy
En
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eq
...
0%
A wave with an amplitude of 0.75 m has the
same wavelength as a second wave with an
amplitude of 0.53 m. The two waves
interfere. What is the amplitude of the
resultant wave if the interference is
constructive?
1. 0.22 m
2. 0.53 m
3. 0.75 m
4. 1.28 m
94%
0.
m
28
75
m
0%
m
53
0.
0.
22
m
0%
1.
6%
1400
1300
1300
1300
1300
1300
1200
1200
1200
1100
Stafford
Rusk
21. Yonkers
Houlahan
Fejko
Ward
Lambert
Opet
Buzalka
A slinky is stretched to a length of 7
m. All of the following standing
wave wavelengths are possible
exceptвЂ¦
57%
21%
14%
m
5
3.
m
7
14
m
7%
m
21 m
14 m
7m
3.5 m
21
1.
2.
3.
4.
A total of 5 s passes as a child
completes one complete swing on
a playground swing. The period of
the swing is
1/5 s
20 s
5s
1s
69%
31%
s
1
s
0%
5
s
20
5
s
0%
1/
1.
2.
3.
4.
The frequency of a certain
pendulum is 0.5 Hz. The period of
this pendulum is
0.2 s
0.5 s
2s
5s
87%
13%
s
5
s
2
5
0.
s
0%
2
s
0%
0.
1.
2.
3.
4.
Which of the following factors has
the greatest effect on the frequency
of a swinging pendulum?
Friction
Amplitude
Mass
Length
69%
15%
Le
ng
th
s
as
M
de
8%
m
pl
itu
A
tio
n
8%
Fr
ic
1.
2.
3.
4.
If a given pendulum is moved from Earth to
a location where the gravitational
acceleration is greater than EarthвЂ™s, the
frequency of the pendulumвЂ™s swing will
Increase
Decrease
Be unchanged
Vary with the mass of the
bob
46%
38%
15%
Va
ry
B
w
ith
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o.
..
th
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m
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an
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0%
In
1.
2.
3.
4.
1800
1700
1700
1700
1700
1600
1500
1400
1400
1300
Houlahan
Rusk
Fejko
Ward
Stafford
21. Yonkers
Lambert
Gallagher
Buzalka
You have constructed an oscillating
mass-spring system for an experiment.
In order to increase the frequency of
the system, you could
1. Decrease the initial
displacement
2. Use a greater mass
3. Use a spring with a higher
spring constant
4. Increase the period of oscillation
..
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se
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re
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t
iti
a
ld
...
s
0% 0% 0% 0%
10
A wave with an amplitude of 0.75 m has the
same wavelength as a second wave with an
amplitude of 0.53 m. If the two waves
destructively interfere, what is the amplitude
of the resultant wave?
1.
28
m
0%
m
75
53
0.
22
0%
m
0%
m
0%
0.
0.22 m
0.53 m
0.75 m
1.28 m
0.
1.
2.
3.
4.
10
If the length of a pendulum gets
longer, the period of the pendulum:
Gets longer
Gets shorter
Stays the same
Not enough information
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rm
at
sa
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sh
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ay
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s
G
et
s
lo
ng
e
r
or
te
r
0% 0% 0% 0%
G
1.
2.
3.
4.
10
The material through which a
mechanical wave travels is
A medium
Empty space
Water
Air
ir
0%
A
at
e
r
0%
W
sp
ac
e
0%
Em
pt
y
m
ed
iu
m
0%
A
1.
2.
3.
4.
10
When a transverse wave passes
through water, water molecules are
displaced
...
re
c
r..
.
di
di
in
a
th
e
m
po
ra
ril
y
in
Te
ra
ril
y
m
po
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an
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rm
Pe
rm
an
e
nt
ly
nt
ly
in
in
a
th
e
di
re
.
di
...
..
0% 0% 0% 0%
Pe
1. Permanently in the direction of
the wave motion
2. Permanently in a direction
perpendicular to the wave
3. Temporarily in the direction of
the wave motion
4. Temporarily in a direction
perpendicular to the wave
10
0
0
0
0
0
Participant 1
Participant 2
Participant 3
Participant 4
Participant 5
A wave that is produced by a single
motion that does not repeat is a
________.
Transverse wave
Continuous wave
Pulse
Compression
si
on
om
pr
es
C
ou
s
tin
u
0%
C
on
Pu
...
w
av
av
.
w
er
se
sv
0%
ls
e
0%
..
0%
Tr
an
1.
2.
3.
4.
10
The distance between two
successive troughs of a transverse
wave is the waveвЂ™s
Amplitude
Wavelength
Frequency
Rarefaction
n
0%
tio
ar
ef
ac
R
ue
Fr
eq
ng
th
le
av
e
W
m
pl
itu
0%
nc
y
0%
de
0%
A
1.
2.
3.
4.
10
Suppose you are dangling your foot in a swimming
pool, making ripples (waves) by moving your foot
up and down. What could you do to make the
ripples travel faster through the water?
e
an
ab
ov
...
.
a.
p
of
e
on
N
M
ov
e
yo
ur
fo
o
tu
th
e
p
tu
fo
o
yo
ur
ov
e
M
ov
e
yo
ur
fo
o
tu
p
a.
.
0% 0% 0% 0%
M
1. Move your foot up and down
more frequently
2. Move your foot up and down
less frequently
3. Move your foot up and down
more strongly
4. None of the above
10
When a wave on a rope strikes
a free boundary, the wave is
Reflected and inverted
Reflected but not inverted
Not reflection
absorbed
d
ot
ab
so
rb
e
tio
re
fle
c
in
...
N
d
ct
e
ef
le
R
ef
le
ct
e
d
an
d
bu
tn
ot
in
v
er
te
d
n
0% 0% 0% 0%
R
1.
2.
3.
4.
10
A wave is passing through a uniform
medium. As the frequency of this
wave increases, its wavelength
Depends on amplitude
Decreases
Increases
Does not change
no
tc
ha
ng
e
se
s
cr
ea
D
oe
s
In
se
re
a
ec
D
ep
en
ds
on
am
pl
itu
d
s
e
0% 0% 0% 0%
D
1.
2.
3.
4.
10
0
0
0
0
0
Participant 1
Participant 2
Participant 3
Participant 4
Participant 5
If the amplitude of a mechanical
wave is tripled, the rate of energy
transfer of the wave is _____ .
Increased by a factor of 9
Decreased by a factor of 9
Increased by a factor of 3
Decreased by a factor of 3
a.
..
by
D
ec
re
a
se
d
se
d
In
cr
ea
d
se
re
a
ec
D
0%
by
a.
..
by
by
se
d
cr
ea
0%
a.
..
0%
a.
..
0%
In
1.
2.
3.
4.
10
A ____ wave travels through a
medium as a series of
compressions and rarefactions.
Sine
Longitudinal
Pulse
Transverse
er
se
0%
sv
Tr
an
ng
itu
Pu
di
na
ne
Lo
0%
ls
e
0%
l
0%
Si
1.
2.
3.
4.
10
When two transverse waves
traveling through a medium meet
and exactly coincide, the resulting
displacement of the medium
tiv
e
de
te
r
w
ay
s
gr
ea
Is
al
s
w
ay
Is
al
st
ru
c
n.
..
Is
th
e
of
su
m
th
e
th
a
ze
di
s.
..
ro
0% 0% 0% 0%
Is
1. Is the sum of the displacements
of each wave
2. Is zero
3. Is always greater than the
displacement of either wave
alone
4. Is always destructive
10
When two waves having
displacements in opposite
directions meet, ____ occurs.
Complete destructive interference
No interference
Constructive interference
Destructive interference
0%
tiv
e
tiv
e
in
.
i..
.
..
0%
tru
c
es
D
on
st
ru
c
rfe
re
n
C
N
o
in
te
de
s
om
pl
et
e
0%
c.
..
tr
...
0%
C
1.
2.
3.
4.
10
A wave pattern on a stretched
string appears to be stationary.
This wave pattern is an example of
A longitudinal wave
A non-periodic wave
A pulse wave
A standing wave
e
w
an
di
ng
ls
e
st
A
A
pu
ic
rio
d
npe
A
no
0%
av
w
av
e
w
av
av
al
w
tu
di
n
ng
i
lo
0%
e
0%
e
0%
A
1.
2.
3.
4.
10
0
0
0
0
0
Participant 1
Participant 2
Participant 3
Participant 4
Participant 5
In a standing wave on a vibrating
string, a point that appears to
remain stationary is a(n)
1. Antinode
2. Point of constructive
interference
3. Node
4. rarefaction
tio
n
re
fa
c
e
ra
od
N
...
Po
in
t
of
co
ns
A
tru
c
tiv
e
nt
in
od
e
0% 0% 0% 0%
10
An ocean wave has a frequency of
2 Hz and a speed of 20 m/s. What
is the wavelength of this wave?
0.1 m
5m
10 m
40 m
m
0%
40
m
0%
10
m
0%
5
1
m
0%
0.
1.
2.
3.
4.
10
Two waves meet and interfere
constructively. Which one of the
following factors increases?
Period
Frequency
Wavelength
None of the above
0%
ab
...
0%
N
on
e
W
of
av
e
th
e
le
ue
nc
y
ng
th
0%
Fr
eq
rio
d
0%
Pe
1.
2.
3.
4.
10
You sit in the audience and listen to
a concert band play. Which
instruments sound reaches your
ears first, the flute or the
trombone?
0%
..
rs
ea
ur
e
Th
ey
re
a
ch
Th
0%
yo
e
flu
tr
om
bo
ne
te
0%
Th
1. The flute
2. The trombone
3. They reach your ears at the
same time.
10
If a 48 kg mass oscillates on a
spring with a spring constant of 12
N/m, what is the period of the
oscillation?
1.
2.
3.
4.
8ПЂ seconds
4ПЂ seconds
ПЂ seconds
ПЂ/2 seconds
10
0
0
0
0
0
Participant 1
Participant 2
Participant 3
Participant 4
Participant 5
A certain oscillating mass-spring system has
a period of 1.2 s with a 1.0 kg mass. What
will the period be when a 4.0 kg mass is
substituted for the 1.0 kg mass?
1. 4.8 s
2. 2.4 s
3. 0.6 s
4. 0.3 s
4
6
3
0.
0.
s
0%
2.
s
0%
8
s
0%
4.
s
0%
10
The spring constant in a given
oscillating mass-spring system may
be changed by
1. Increasing the mass
2. Decreasing the mass
3. Decreasing the initial
displacement
4. None of the above
e
ab
ov
l..
.
iti
a
N
on
e
of
th
e
th
e
in
m
si
ng
D
ec
re
a
re
a
ec
D
In
cr
ea
si
n
si
ng
g
th
e
th
e
m
as
as
s
s
0% 0% 0% 0%
10
If the pendulumвЂ™s length is 2.00 m
and the acceleration due to gravity
is 9.80 m/s2, how many complete
oscillations does the pendulum
make in 5.00 min?
9
0%
23
21
0%
6
0%
.6
0%
10
1.76
21.6
106
239
1.
76
1.
2.
3.
4.
10
In an oscillating mass-spring
system, the distance of the
maximum compression distance of
the spring is a measure of
riu
m
0%
ui
lib
Eq
nc
y
ue
Fr
eq
m
pl
itu
0%
rio
d
0%
de
0%
Pe
Amplitude
Frequency
Period
Equilibrium
A
1.
2.
3.
4.
10
0
0
0
0
0
Participant 1
Participant 2
Participant 3
Participant 4
Participant 5
```
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