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Investigate the factors which determine the damping of a compound pendulum to find an equation that relates the amplitude of oscillations to the factors chosen to investigate.
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Physics A2 Assessed Practical Aim: Investigate the factors which determine the damping of a compound pendulum to find an equation that relates the amplitude of oscillations to the factors chosen to investigate. Compound Pendulum For a system to oscillate in simple harmonic motion there are 3 conditions which should be satisfied; 1. A mass that oscillates, 2. A central point where the mass is in equilibrium, 3. A restoring force which returns the mass to its central point. The compound pendulum (shown above) clearly does oscillate with S.H.M as there is a mass that oscillates (1) about an equilibrium point (2) and a restoring force returning it to its central point (weight of the mass / tension in ruler (3)). In S.H.M, there is a constant interchange between kinetic and potential energy. In the case of the compound pendulum the potential energy is provided by the increase in gravitational potential energy (mg?h) as...
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