~ quick concept tests
# baseline practice questions
* higher-order-thinking questions

8.1.1
x-t Equation
1403#    1449~
Half-Amplitude Problems
1417    1418#    1419~    1421* 

8.1.2
v-t and a-t Equations
1401~    1402    1404*    1410#
Maximum Speed and Maximum Acceleration
1413#    1414    1415    1416~      

8.1.3
v-x and a-x Equations
1405#    1406~    1407#    1408    1409    1411*    1420*    

8.2.1
Restoring Force
1423    1422~    1424*    

8.2.2
Natural Frequency
1450~  1425   

8.3.1
Derivation of TE Formula
1431#    1426~    1436       

8.3.2
SHM Energy in time-domain
1435#    1451~

8.3.3
SHM Energy in the x-domain
1428~    1433#    1429#    1430    1432    1434    

8.4.1
Light, Heavy and Critical Damping
1439~    1441  1438#    1440        

8.4.2
Practical Applications of Damping
1442~   

8.5.1
Forced Oscillation
1446~    1447#    

8.5.2
Resonance Curve
1443~    1448#   

8.5.3
Effect of Damping on Resonance
1445~  1444#  1452*       

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