284
SELF-ASSESSMENT CHECKLIST
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identify the conditions under which simple harmonic oscillations will take place
12.1
determine the amplitude, period and frequency graphically
12.1
describe how velocity and acceleration vary during an oscillation
12.1
explain the energy transformations taking place in simple harmonic oscillations
12.3

understand the concept of phase difference
12.1
use the equation for displacement
12.2
understand the meaning of the phase angle
12.2
write down equations for the velocity and acceleration given the formula for displacement
12.2
solve problems using the equations for simple harmonic motion
12.2
solve problems with kinetic energy and potential energy quantitatively
12.3
285
REFLECTION
Can you state the necessary conditions for simple harmonic oscillations to take place? Can you find the period of oscillations from a graph of acceleration versus displacement? Can you describe the energy transfers in simple harmonic oscillations?

Do you understand the equations for displacement, velocity and acceleration in simple harmonic motion? Are you comfortable with the term phase angle? Can you solve problems using the equations for simple harmonic oscillations?
EXAM-STYLE QUESTIONS
You can find questions in the style of IB exams in the digital coursebook.