Ch14

1
Chapter 14
2
An object moves with simple harmonic motion. If
the amplitude and the period are both doubled,
the objects maximum speed is
1. quartered. 2. halved. 3. quadrupled. 4.
doubled. 5. unchanged.
3
An object moves with simple harmonic motion. If
the amplitude and the period are both doubled,
the objects maximum speed is
1. quartered. 2. halved. 3. quadrupled. 4.
doubled. 5. unchanged.
4
The figure shows four oscillators at t 0. Which
one has the phase constant
1) a 2) b 3) c 4) d
5
The figure shows four oscillators at t 0. Which
one has the phase constant
1) a 2) b 3) c 4) d
6
Four springs have been compressed from their
equilibrium position at x 0 cm. When released,
they will start to oscillate. Rank in order, from
highest to lowest, the maximum speeds of the
oscillators.
1. c gt b gt a d 2. c gt b gt a gt d 3. d gt a gt b gt
c 4. a d gt b gt c 5. b gt c gt a d
7
Four springs have been compressed from their
equilibrium position at x 0 cm. When released,
they will start to oscillate. Rank in order, from
highest to lowest, the maximum speeds of the
oscillators.
1. c gt b gt a d 2. c gt b gt a gt d 3. d gt a gt b gt
c 4. a d gt b gt c 5. b gt c gt a d
8
This is the position graph of a mass on a spring.
What can you say about the velocity and the force
at the instant indicated by the dotted line?
1. Velocity is positive force is to the
right. 2. Velocity is negative force is to the
left. 3. Velocity is negative force is to the
right. 4. Velocity is zero force is to the
right. 5. Velocity is zero force is to the left.
9
This is the position graph of a mass on a spring.
What can you say about the velocity and the force
at the instant indicated by the dotted line?
1. Velocity is positive force is to the
right. 2. Velocity is negative force is to the
left. 3. Velocity is negative force is to the
right. 4. Velocity is zero force is to the
right. 5. Velocity is zero force is to the left.
10
One person swings on a swing and finds that the
period is 3.0 s. Then a second person of equal
mass joins him. With two people swinging, the
period is
1. 1.5 s. 2. lt3.0 s but not necessarily 1.5 s. 3.
3.0 s. 4. gt3.0 s but not necessarily 6.0 s. 5.
6.0 s.
11
One person swings on a swing and finds that the
period is 3.0 s. Then a second person of equal
mass joins him. With two people swinging, the
period is
1. 1.5 s. 2. lt3.0 s but not necessarily 1.5 s. 3.
3.0 s. 4. gt3.0 s but not necessarily 6.0 s. 5.
6.0 s.
12
Rank in order, from largest to smallest, the time
constants of the decays shown in the
figure.
1. 2. 3. 4. 5.
13
Rank in order, from largest to smallest, the time
constants of the decays shown in the
figure.
1. 2. 3. 4. 5.
14
Chapter 14 Reading Quiz
15
What is the name of the quantity represented by
the symbol
1. Angular momentum 2. Angular frequency 3. Phase
constant 4. Uniform circular motion 5.
Centripetal acceleration
16
What is the name of the quantity represented by
the symbol
1. Angular momentum 2. Angular frequency 3. Phase
constant 4. Uniform circular motion 5.
Centripetal acceleration
17
What term is used to describe an oscillator that
runs down and eventually stops?
1. Tired oscillator 2. Out of shape oscillator 3.
Damped Oscillator 4. Resonant oscillator 5.
Driven oscillator
18
What term is used to describe an oscillator that
runs down and eventually stops?
1. Tired oscillator 2. Out of shape oscillator 3.
Damped Oscillator 4. Resonant oscillator 5.
Driven oscillator
19
The starting conditions of an oscillator are
characterized by
1. the initial acceleration. 2. the phase
constant. 3. the phase angle. 4. the frequency.
20
The starting conditions of an oscillator are
characterized by
1. the initial acceleration. 2. the phase
constant. 3. the phase angle. 4. the frequency.
21
Wavelength is

• 1. the time in which an oscillation repeats
  itself.
• 2. the distance in which an oscillation repeats
  itself.
• 3. the distance from one end of an oscillation to
  the other.
• 4. the maximum displacement of an oscillator.
• 5. not discussed in Chapter 14.

22
Wavelength is

• 1. the time in which an oscillation repeats
  itself.
• 2. the distance in which an oscillation repeats
  itself.
• 3. the distance from one end of an oscillation to
  the other.
• 4. the maximum displacement of an oscillator.
• 5. not discussed in Chapter 14.