284

SELF-ASSESSMENT CHECKLIST

I am able to ... | Section | NotÂ yet | Nearly there | Ready to move on
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.