SHS 311 EXAM 1 QUESTIONS WITH CORRECT
ANSWERS
What |does |the |mass |and |spring |represent |in |explaining |a |vibration? |- |CORRECT |ANSWER✔✔-
Mass |represents |the |inertia |(the |force |that |moves |something) |and |the |spring |represents |
elasticity |(resisting |force)
Equation |for |sinusoidal |vibration |- |CORRECT |ANSWER✔✔-P(t)= |Asin{(2pifxt)+theta}
A=amplitude
f=frequency
t=time
theta= |starting |phase
define |cycle |- |CORRECT |ANSWER✔✔-one |complete |oscillation, |a |pattern |that |repeats
define |period |- |CORRECT |ANSWER✔✔-how |long |it |takes |to |complete |one |cycle
period |formula |- |CORRECT |ANSWER✔✔-P=1/freq
define |frequency |- |CORRECT |ANSWER✔✔-how |many |cycles |you |go |through |per |second
frequency |formula |- |CORRECT |ANSWER✔✔-F=1/period
Period |and |frequency |are |__________ |to |each |other |- |CORRECT |ANSWER✔✔-inversely |
proportional
ANSWERS
What |does |the |mass |and |spring |represent |in |explaining |a |vibration? |- |CORRECT |ANSWER✔✔-
Mass |represents |the |inertia |(the |force |that |moves |something) |and |the |spring |represents |
elasticity |(resisting |force)
Equation |for |sinusoidal |vibration |- |CORRECT |ANSWER✔✔-P(t)= |Asin{(2pifxt)+theta}
A=amplitude
f=frequency
t=time
theta= |starting |phase
define |cycle |- |CORRECT |ANSWER✔✔-one |complete |oscillation, |a |pattern |that |repeats
define |period |- |CORRECT |ANSWER✔✔-how |long |it |takes |to |complete |one |cycle
period |formula |- |CORRECT |ANSWER✔✔-P=1/freq
define |frequency |- |CORRECT |ANSWER✔✔-how |many |cycles |you |go |through |per |second
frequency |formula |- |CORRECT |ANSWER✔✔-F=1/period
Period |and |frequency |are |__________ |to |each |other |- |CORRECT |ANSWER✔✔-inversely |
proportional
