IB Physics SL C.4.5 Damping and Resonance Question Bank

Practise IB Physics SL C.4.5 by explaining how damping changes oscillation amplitude and the resonance response.

[Maximum number: 4]

This question is in two parts. Part 1 is about solar radiation and the greenhouse effect. Part 2 is about a mass on a spring.

Part 1 Solar radiation and the greenhouse effect
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Table for Question C.4.5—Damping and resonance question 1 — IB Physics SL

(a)

Outline the conditions necessary for the object to execute simple harmonic motion.

[ 2 ]

(i)

Sketch on the same axes a graph of how the displacement varies with time if a small frictional force acts on the object.

[ 2 ]

(b)

Point P now begins to move from side to side with a small amplitude and at a variable driving frequency f. The frictional force is still small.

At each value of f, the object eventually reaches a constant amplitude A.
The graph shows the variation with f of A.

[ 2 ]

(i)

On the same axes, draw a graph to show the variation with f of A when the frictional force acting on the object is increased.

[ 2 ]

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C.4.5—Damping and resonance question 1

Question (a)

Question (i)

Question (b)

Question (i)