SHS 311 Exam 1 Study Guide Questions With Correct Answers

SHS 311 Exam 1 Study Guide Questions
With Correct Answers

What |does |the |mass |and |spring |represent |in |explaining |a |vibration? |- |CORRECT |ANSWER✔✔-
Mass=Inertia

Spring=Elasticity



What |is |the |equation |for |a |sinusoidal |vibration |and |what |are |the |three |parameters |in |the |
equation? |- |CORRECT |ANSWER✔✔-d(t)=Asin(2πft+θ)

A= |Amplitude, |distance |if |maximum |movement

f= |Frequency, |# |of |cycles |per |second

θ= |Starting |Phase, |relative |starting |position



Cycle |- |CORRECT |ANSWER✔✔-The |vibration |pattern |that |repeats |itself.



Period |- |CORRECT |ANSWER✔✔-The |time |it |takes |to |complete |one |cycle.



Frequency |- |CORRECT |ANSWER✔✔-The |# |of |cycles |completed |in |one |second.



How |do |you |measure |and |calculate |Frequency |and |Period? |- |CORRECT |ANSWER✔✔-f=1/Pr |
Pr=1/f

Where |Pr |is |in |unit |of |second |and |f |is |in |unit |of |Hz.



What |kind |of |relationship |does |Pr |and |f |have? |- |CORRECT |ANSWER✔✔-They |are |reciprocally |
related.