Pendulum Period and Length

Added by R D Gavin on Dec 15, 2008

A pendulum is allowed to swing, and the length of the pendulum can be controlled by the user. The period of the pendulum is measured using a graph of x-displacement against time, and this is used to investigate the effect of changing the length of the pendulum.

This item teaches:

  • about simple pendulums
  • how the period of a pendulum is calculated using a displacement-time graph
  • the relationship between period and length of a pendulum
  • the equation for the period of a simple pendulum:T = 2Π√l /g
  • about the construction of displacement-time graphs for objects of different mass




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