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27 Cards in this Set
- Front
- Back
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In simple harmonic motion, the restoring force must be proportional to the
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displacement
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An oscillatory motion must be simple harmonic if
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the acceleration varies sinusoidally with time
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In simple harmonic motion, the magnitude of the acceleration is
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proportional to the displacement
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A particle is in simple harmonic motion with period T. At time t= 0 it is at the equilibrium point. At which of the
following times is it furthest from the equilibrium point? |
0.7T
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A particle moves back and forth along the x-axis from x = –x max to x = +x max. in simple harmonic motion with period T. At time t=0 it is at x= -x max when t= 0.75T
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it is at x=0 and is traveling towards x=-x max
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A particle oscillating in simple harmonic motion is
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in equilibrium at the center of its path because the acceleration is zero there
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An object is undergoing simple harmonic motion. Throughout a complete cycle it
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has varying acceleration
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A particle is in simple harmonic motion with period T. At time t=0 it is halfway between the equilibrium point
and an end point of its motion, travelling toward the end point. The next time it is at the same place is |
t = T
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An object attached to one end of a spring makes 20 vibrations in 10s. Its period is
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0.5s
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An object attached to one end of a spring makes 20 vibrations in 10 seconds. Its frequency is
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2 Hz
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An object attached to one end of a spring makes 20 vibrations in 10 seconds. Its angular frequency is
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12.6 rad/s
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Frequency f and angular frequency ω are related by
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f= ω/2π
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A block attached to a spring oscillates in simple harmonic motion along the x axis. the limits of its motion are x = 10cm x= 50cm and it goes from one of these extremes to the other in 0.25 s. Its amplitude and frequency are
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20cm 2 Hz
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A weight suspended from an ideal spring oscillates up and down. If the amplitude of the oscillation is doubled the period will
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remain the same
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In simple harmonic motion, the magnitude of the acceleration is greatest when the
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displacement is maximum
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In simple harmonic motion, the displacement is maximum when the
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velocity is zero
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In simple harmonic motion
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the acceleration is greatest at the maximum displacement
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A restoring force of magnitude F acts on a system with a displacement of magnitude x. In which of the following cases will the system undergo simple harmonic motion?
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F = x
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A mass M is attached to an ideal massless spring. When this system is set in motion with amplitude A, it has a period T. What is the period if the amplitude of the motion is increased to 2A
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T
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A mass M is attached to an ideal massless spring. When this system is set in motion, it has a period T. What is the period if the mass is doubled to 2M?
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root (2T)
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In simple harmonic motion, the speed is greatest at that point in the cycle when
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the magnitude of the acceleration is a minimum
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If we double only the amplitude of a vibrating ideal mass‐and‐spring system, the mechanical energy of the system
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increased by a factor of 4
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If we double only the mass of a vibrating ideal mass‐and‐spring system, the mechanical energy of the system
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does not change
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If we double only the spring constant of a vibrating ideal mass‐and‐spring system, the mechanical energy of the system
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increase by factor of 2
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An object is attached to a vertical ideal massless spring and bobs up and down between the two extreme points A and B. When the kinetic energy of the object is a minimum, the object is located
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at either A or B
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A certain frictionless simple pendulum having a length L and mass M swings with period T. If both L and M are doubled, what is the new period?
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root (2) T
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A frictionless pendulum clock on the surface of the earth has a period of 1.00 s. On a distant planet, the length of the pendulum must be shortened slightly to have a period of 1.00 s. What is true
about the acceleration due to gravity on the distant planet? |
The gravitational acceleration on the planet is slightly less than g
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