Lab 101

# Lab 101 - Lab 101 Functional Relationships Group 1 Russell...

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12/08/06 Group 1 Russell Adams Pawel bokata Vahid Hamidullah Mike Makhlouf Physics 111A Section: TA: Ke Su ( ) 1. - Objective Review the graphical analysis methods used to determine the functional relationships between two experimental variables. 2. – Theory 3. – Equipment 4. – Procedure The following sets of data were measured for three different experiments. 1. Measure the force required to expand a spring. 2. Measure the period of a pendulum as a function of length of a pendulum. 3. Measure the horizontal deflection of a two meter stick loaded at the end as a function of overhang. Experiment I: Measure the force required to displace a spring. Hang masses ranging from 0-200 grams in 40 gram increments. Don’t forget to count the weight of the mass hanger. Plot the deflection of the spring (in cm) vs. the mass (in grams). This means that the y-axis is the deflection and the x- axis is the mass. The points should follow a straight line. Find the slope and intercept of the best line fitting experimental points plotted. The line (the best one) is named “regression line.” Write an equation for the experimental relationship between displacement and the mass using values of the slope and intercept. This equation sho9uld have the form of a straight line. Experiment II:

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Lab 101 - Lab 101 Functional Relationships Group 1 Russell...

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