State the conditions necessary for an object to be in simple harmonic motion.
The defining equation of simple harmonic motion is
a = – ω2x
State the definition of each variable and an appropriate unit for each.
A student is confirming whether a particular pendulum oscillates with simple harmonic motion. They obtain a graph of their results that represents the equation in part (b).
Sketch this graph on the axes in Figure 1 and label the axes. State what the maximum and minimum values on the x–axis of the graph represent.
Figure 1
The students calculate the gradient of the graph from part (c) to be – 8.5.
Calculate the angular frequency of the pendulum.
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