Calculate the square of the period each trial and record this in Table 3.1. for Plot the radius versus the square of the period. This will give a straight line since: the best-fit line through the data points and measure the slope of the line. Record the slope Table 3.1. Table 3.2: Results (varying raduis) C5 Calculate the centripetal force from the slope and record in Table 3.2. 6 Calculate the two the percent difference between values found for the centrpetal force and record in Table 3.2.