Draw (or screen capture) the pendulum set up in the space below. Label the parts (mass, string, amplitude).

Purpose: The purpose is to Investigate Simple Harmonic Motion in two oscillating systems: a simple pendulum and a mass hanging at the end of a spring. In particular, the lab will examine the frequency's dependence on the system's parameters such as mass and amplitude of oscillations. Concept: The frequency of a system undergoing Simple Harmonic Motion depends on a number of parameters such as the mass of the object (the bob in the Simple Pendulum and the weight in the Spring Mass], the amplitude of oscillation, at well as gravity. Keeping gravity constant, the frequency will be observed as you vary the other parameters. Procedure: Part 1: Simple Pendulum (open the PhT "Pendulum Lab" lab and click on the "Intro" tabl 1 Length & Mass constant - Amplitude varied: Set the string length to be 1.0 m and use . 0.5 ig bob. Record (with the timer) the time for ten oscillations, then calculate the period and frequency for each of the angle (Le., amplitude) setting. Make sure to include the units for your data and results. 1 (10 period:] T (1 period) 10 1 Length varied - Maus & Amplitude constant: Now keep the oscillation angle (Le., amplitude) the same at 15" and use the same 0.5 kg bob, but change the length of the string as given in the table below. Record (with the timer] the time for ten oscillations, then calculate the period and frequency for each of the length setting. Length [10 periodal T.[1 period) 10m 0.75 m 0.50 m 0.25 m 3. Mass varies- Length & Amplitude constant: Now keep the length at 1.0 m and the angle (Le, amplitude) at 15" and change the mass of the bob as given in the table. Record (with the timer) the time for ten oscillations, then calculate the period and frequency for each of the mass setting Mass 1 (30 periods] T [1 period) 15 KE 10KE 0.50 Kg 0.10 KX Analysis: How do the period and frequency of the oscillations vary with the mass, string length and amplitude in the simple pendulum system? Draw (or screen capture) the pendulum set up in the space below, Label the parts (mass, string amplitude). 27