Unit 6 Quiz

Definitions

Period

Time it takes to complete one oscillation

Deformation

Displacement from equilibrium

Restoring Force

Force acting in opposition to the force caused by a deformation

Force Constant

A constant related to the rigidity of a system; the larger the constant, the more rigid and vice versa; “k”

Periodic Moton

Motion that repeats itself at regular time intervals

Frequency

Number of events per unit of time

Oscillation

Moving back and forth between two points

Cycle

A series of events that repeats regularly

Hooke’s Law

The strain of material is proportional to the applied stress within the elastic limit of that material

Simple Harmonic Motion

The oscillatory motion in a system where net force can be described by Hooke’s law

Simple Harmonic Object

A device that implements Hooke’s law; such as a mass attached to a spring

Hooke’s Equation

F= -kx

Finding Work Equation

W= 1/2kx(x)

Frequency equals

1/T

Period equals

1/F

.5 sec in Hertz

2Hz

4 sec in Hertz

.25Hz

.25 sec in Hertz

4Hz

.1 Hz in seconds

10s

5 Hz in seconds

1/5s

2Hz in seconds

1/2s

ex: person running

Linear

ex: Clock Pendulum

Harmonic

ex: jumping jacks

Linear

ex: moving bicycle

Linear

ex: bouncing spring

Harmonic

ex: ocean waves

harmonic

Amplitude

the size or strength of a cycle; height