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Module 5 > 5.3 Oscillations > Flashcards

5.3 Oscillations Flashcards

1
Q

Angular frequency

A

Product 2(pi)f or (2pi)/T

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2
Q

Phase difference

A

The fraction of a complete cycle or oscillation between two oscillating points, expressed in degress or radians

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3
Q

Simple harmonic motion

A

a body will oscillate with shm if its acceleration is directly proportional to its displacement from a fixed point and always directed towards that fixed point

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4
Q

Vmax = ?

A

(omega) A

2 x pi x frequency x Amplitude

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5
Q

Amax

A

(omega)^2 A

4 x pi x pi x frequency x frequency x Amplitude

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6
Q

Graphical analysis of shm:
Displacement = 0
Velocity and acceleration = ?

A 
Velocity = -wA
Acceleration = 0
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7
Q

Graphical analysis of shm
Displacement = 1
Velocity and acceleration = ?

A 
Velocity = 0
Acceleration = -w^2 x A
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8
Q

Graphical analysis of shm
Displacement = -1
Velocity and acceleration = ?

A 
Velocity = 0
Acceleration = w^2 A
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9
Q

Graphical analysis of shm
Velocity = wA
Displacement and acceleration = ?

A 
Acceleration = 0
Displacement = 0
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10
Q

Graphical analysis of shm
Velocity = 0
Displacement and acceleration = ?

A 
Acceleration = -w^2 A
Displacement = A
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11
Q

Graphical analysis of shm
Velocity = -wA
Displacement and acceleration = ?

A 
Acceleration = 0
Displacement = 0
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12
Q

Graphical analysis of shm
Acceleration = -w^2 A
Displacement and velocity = ?

A 
Displacement = A
Velocity = 0
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13
Q

Graphical analysis of shm
Acceleration = 0
Displacement and velocity = ?

A 
Displacement = 0
Velocity = -wA
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14
Q

Graphical analysis of shm
Acceleration = w^2 A
Displacement and velocity = ?

A 
Displacement = -A
Velocity = 0
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15
Q

During simple harmonic motion, which two energies make up the constant total energy

A

kinetic energy and potential energy

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16
Q

Use of damping?

A

Shock absorbers in a car

17
Q

Free oscillations

A

Occur when there is no external periodic force. the system oscillates at its natural frequency

18
Q

Natural frequency

A

The frequency at which a system oscillates when undergoing free oscillations

19
Q

forced oscillations

A

occurs when an external force is applied to keep the body oscillating

20
Q

Driving frequency

A

The frequency of the driving force applied to an oscillating object

21
Q

Resonance

A

Occurs when the driving frequency equals to the natural frequency of the body being forced to oscillate

Module 5 (4 decks)

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