Simple Pendulum Large-Amplitude Error
A simple pendulum consists of a 2 kg mass on a 1 m massless rod. The standard formula for its period is derived using several approximations. For oscillations with a large amplitude, which approximation is the most significant source of error?
A
Treating gravity as a constant force
B
Ignoring the mass of the pendulum bob
C
Assuming the rod remains rigid
D
Neglecting the change in path shape at large angles (nonlinear motion)
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