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Simple Harmonic Motion and Waves
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Simple Harmonic Motion and Waves
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Simple Harmonic Motion and Waves
The expression for Hooke’s law is
F = ma
F = -kx
F = vl
F = m
1
m
2
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Everyday Science
Longitudinal waves move faster through
liquids
gases
solids
none of above
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Simple Harmonic Motion and Waves
The restoring force pushes or pulls the oscillatory object
Towards mean position
Away from mean position
at central point
extreme point
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Simple Harmonic Motion and Waves
From one place to another, through waves, we can transfer
heat
energy
sound
gas
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Simple Harmonic Motion and Waves
When waves moving in one medium fall on the surface of another medium they bounce back into the first medium such that the angle of incidence is equal to the angle of reflection. This phenomenon is known as
refraction of waves
diffraction of waves
reflection of waves
deflection of waves
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Simple Harmonic Motion and Waves
According to Hooke’s Law, the force is directly proportional to the
time
change in length
speed
velocity
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Simple Harmonic Motion and Waves
The velocity of simple harmonic motion at the extreme position is always
maximum
minimum
zero
negative
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Simple Harmonic Motion and Waves
When friction reduces the mechanical energy of the system as time passes, the motion is said to be
simple
damped
random
linear
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Simple Harmonic Motion and Waves
If a body moves back and forth or to and fro about a point, then it is said to be
consistency
vibrating
rotating
displacing
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Simple Harmonic Motion and Waves
The time period of a simple pendulum is independent of it’s
length
friction
gravity
mass and amplitude
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