Measuring the relations between period and angle of swing, as well as the accurate value of oscillation period in minimum small angle of swing by way of extrapolation method of taking the angle of swing as zero, so as to more accurately measure acceleration of gravity.
Studying the influence of nonlinear effect while the oscillation of single pendulum occurs in larger angle of swing.
Measuring the oscillation period of pendulum length of fixed single pendulum; calculating the acceleration of gravity or that calculated with method of straight line fit by way of changing the pendulum length successively and measuring the relevant period, and verifying the pendulum length is direct proportional to the square of oscillation period.
Max. preset frequency of counting timer: 60
Resolution of timing: 0.001S
Onstate distance of Hall switch: 11mm
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