Question 1

An angular simple harmonic oscillator is displaced 5.2 x 10-2 rad from its equilibrium position.If the torsion constant is 1200 N∙m/rad, what is the torque?

Accepted Answer

A)  12 N∙m
B)  23 N∙m
C)  43 N∙m
D)  52 N∙m
E)  62 N∙mF) A) and E)
G) B) and E)

Question 2

Which of the following is NOT required for a simple pendulum undergoing simple harmonic oscillation?

Accepted Answer

A)  a point mass
B)  a massless string
C)  a small amplitude
D)  gravitational force
E)  a large spring constantF) All of the above
G) D) and E)

Question 3

At the instant its angular displacement is 0.32 rad, the angular acceleration of a physical pendulum is -630 rad/s2.What is its angular frequency of oscillation?

Accepted Answer

A)  6.6 rad/s
B)  14 rad/s
C)  20 rad/s
D)  44 rad/s
E)  200 rad/sF) C) and D)
G) C) and E)

Question 4

In simple harmonic motion, the magnitude of the acceleration is greatest when:

Accepted Answer

A)  the displacement is zero
B)  the displacement is maximum
C)  the speed is maximum
D)  the force is zero
E)  the speed is between zero and its maximumF) A) and E)
G) A) and D)

Question 5

A block on a spring is subjected to an applied sinusoidal force AND to a damping force that is proportional to its velocity.The energy dissipated by damping is supplied by:

Accepted Answer

A)  the potential energy of the spring
B)  the kinetic energy of the mass
C)  gravity
D)  friction
E)  the applied forceF) A) and E)
G) B) and D)

Question 6

A meter stick is pivoted at a point a distance a from its center and swings as a physical pendulum.Of the following values for a, which results in the shortest period of oscillation?

Accepted Answer

A)  a = 0.1 m
B)  a = 0.2 m
C)  a = 0.3 m
D)  a = 0.4 m
E)  a = 0.5 mF) B) and C)
G) A) and B)

Question 7

Both the x and y coordinates of a point execute simple harmonic motion.The result might be a circular orbit if:

Accepted Answer

A)  the amplitudes are the same but the frequencies are different
B)  the amplitudes and frequencies are both the same
C)  the amplitudes and frequencies are both different
D)  the phase constants are the same but the amplitudes are different
E)  the amplitudes and the phase constants are both differentF) A) and B)
G) A) and E)

Question 8

A block attached to a spring undergoes simple harmonic motion on a horizontal frictionless surface.Its total energy is 50 J.When the displacement is half the amplitude, the kinetic energy is:

Accepted Answer

A)  0 J
B)  12.5 J
C)  25 J
D)  37.5 J
E)  50 JF) A) and D)
G) C) and E)

Question 9

In simple harmonic motion, the magnitude of the acceleration is:

Accepted Answer

A)  constant
B)  proportional to the displacement
C)  inversely proportional to the displacement
D)  greatest when the velocity is greatest
E)  never greater than gF) B) and C)
G) A) and B)

Question 10

When a body executes simple harmonic motion, its acceleration at the ends of its path must be:

Accepted Answer

A)  zero
B)  less than g
C)  more than g
D)  suddenly changing in sign
E)  none of theseF) A) and C)
G) A) and B)

Question 11

Both the x and y coordinates of a point execute simple harmonic motion.The frequencies are the same but the amplitudes are different.The resulting orbit might be:

Accepted Answer

A)  an ellipse
B)  a circle
C)  a parabola
D)  a hyperbola
E)  a squareF) A) and E)
G) All of the above

Question 12

A 0.25-kg block oscillates on the end of the spring with a spring constant of 200 N/m.If the oscillation is started by elongating the spring 0.15 m and giving the block a speed of 3.0 m/s, then the amplitude of the oscillation is:

Accepted Answer

A)  0.13 m
B)  0.18 m
C)  3.7 m
D)  5.2 m
E)  13 mF) None of the above
G) A) and E)

Question 13

A simple pendulum has length L and period T.As it passes through its equilibrium position, the string is suddenly clamped at its mid-point.The period then becomes:

Accepted Answer

A)  2T
B)  T
C)  T/2
D)  T/4
E)  none of the aboveF) A) and D)
G) A) and C)

Question 14

In simple harmonic motion, the displacement is maximum when the:

Accepted Answer

A)  acceleration is zero
B)  velocity is maximum
C)  velocity is zero
D)  kinetic energy is maximum
E)  momentum is maximumF) A) and E)
G) B) and D)

Question 15

An angular simple harmonic oscillator:

Accepted Answer

A)  oscillates at an angle to the x axis
B)  oscillates along the y axis
C)  involves an angular displacement and a restoring torque
D)  involves an angular displacement and a restoring force
E)  involves a linear displacement and a restoring torqueF) A) and D)
G) C) and D)

Exam 15: Oscillations

In simple harmonic motion, the displacement is maximum when the:

Correct Answer
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In simple harmonic motion, the magnitude of the acceleration is greatest when:

Correct Answer
verified

When a body executes simple harmonic motion, its acceleration at the ends of its path must be:

Correct Answer
verified

A 0.25-kg block oscillates on the end of the spring with a spring constant of 200 N/m.If the oscillation is started by elongating the spring 0.15 m and giving the block a speed of 3.0 m/s, then the amplitude of the oscillation is:

Correct Answer
verified

A simple pendulum has length L and period T.As it passes through its equilibrium position, the string is suddenly clamped at its mid-point.The period then becomes:

Correct Answer
verified

Both the x and y coordinates of a point execute simple harmonic motion.The result might be a circular orbit if:

Correct Answer
verified

An angular simple harmonic oscillator is displaced 5.2 x 10^-2 rad from its equilibrium position.If the torsion constant is 1200 N∙m/rad, what is the torque?

Correct Answer
verified

In simple harmonic motion, the magnitude of the acceleration is:

Correct Answer
verified

A block on a spring is subjected to an applied sinusoidal force AND to a damping force that is proportional to its velocity.The energy dissipated by damping is supplied by:

Correct Answer
verified

At the instant its angular displacement is 0.32 rad, the angular acceleration of a physical pendulum is -630 rad/s².What is its angular frequency of oscillation?

Correct Answer
verified

An angular simple harmonic oscillator:

Correct Answer
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Which of the following is NOT required for a simple pendulum undergoing simple harmonic oscillation?

Correct Answer
verified

A block attached to a spring undergoes simple harmonic motion on a horizontal frictionless surface.Its total energy is 50 J.When the displacement is half the amplitude, the kinetic energy is:

Correct Answer
verified

A meter stick is pivoted at a point a distance a from its center and swings as a physical pendulum.Of the following values for a, which results in the shortest period of oscillation?

Correct Answer
verified

Both the x and y coordinates of a point execute simple harmonic motion.The frequencies are the same but the amplitudes are different.The resulting orbit might be:

Correct Answer
verified

Exam 15: Oscillations

In simple harmonic motion, the displacement is maximum when the:

Correct AnswerverifiedShow Answer

In simple harmonic motion, the magnitude of the acceleration is greatest when:

Correct AnswerverifiedShow Answer

When a body executes simple harmonic motion, its acceleration at the ends of its path must be:

Correct AnswerverifiedShow Answer

A 0.25-kg block oscillates on the end of the spring with a spring constant of 200 N/m.If the oscillation is started by elongating the spring 0.15 m and giving the block a speed of 3.0 m/s, then the amplitude of the oscillation is:

Correct AnswerverifiedShow Answer

A simple pendulum has length L and period T.As it passes through its equilibrium position, the string is suddenly clamped at its mid-point.The period then becomes:

Correct AnswerverifiedShow Answer

Both the x and y coordinates of a point execute simple harmonic motion.The result might be a circular orbit if:

Correct AnswerverifiedShow Answer

An angular simple harmonic oscillator is displaced 5.2 x 10-2 rad from its equilibrium position.If the torsion constant is 1200 N∙m/rad, what is the torque?

Correct AnswerverifiedShow Answer

In simple harmonic motion, the magnitude of the acceleration is:

Correct AnswerverifiedShow Answer

A block on a spring is subjected to an applied sinusoidal force AND to a damping force that is proportional to its velocity.The energy dissipated by damping is supplied by:

Correct AnswerverifiedShow Answer

At the instant its angular displacement is 0.32 rad, the angular acceleration of a physical pendulum is -630 rad/s2.What is its angular frequency of oscillation?

Correct AnswerverifiedShow Answer

An angular simple harmonic oscillator:

Correct AnswerverifiedShow Answer

Which of the following is NOT required for a simple pendulum undergoing simple harmonic oscillation?

Correct AnswerverifiedShow Answer

A block attached to a spring undergoes simple harmonic motion on a horizontal frictionless surface.Its total energy is 50 J.When the displacement is half the amplitude, the kinetic energy is:

Correct AnswerverifiedShow Answer

A meter stick is pivoted at a point a distance a from its center and swings as a physical pendulum.Of the following values for a, which results in the shortest period of oscillation?

Correct AnswerverifiedShow Answer

Both the x and y coordinates of a point execute simple harmonic motion.The frequencies are the same but the amplitudes are different.The resulting orbit might be:

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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An angular simple harmonic oscillator is displaced 5.2 x 10^-2 rad from its equilibrium position.If the torsion constant is 1200 N∙m/rad, what is the torque?

Correct Answer
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Correct Answer
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Correct Answer
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At the instant its angular displacement is 0.32 rad, the angular acceleration of a physical pendulum is -630 rad/s².What is its angular frequency of oscillation?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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