Acceleration Due To Gravity Lab Report

To verify the acceleration due to gravity, a toy car, with various masses hung onto it, was used to calculate acceleration using the formula a = slope x 2. The slope was calculated and graphed by rearranging and using the formula d = vi t + ½at2. After rearranging this formula, the acceleration, or slope, for each mass was calculated, and then after multiplying the slope by 2, the acceleration was used to verify acceleration due to gravity. The hypothesis that was given was that the mass will accelerate close to 9.81m/s2, which is the acceleration due to gravity. The hypothesis was supported by the knowledge that friction was a present force in this lab, acting against the toy car as it traveled across the table. The hypothesis was then proven correct as all the calculated values of the acceleration of gravity, for the different masses, were less than 9.81m/s2.

For the 20g mass, there were 13 trials, and a total of 1.3s. The calculated value of the acceleration of gravity for the 20g mass was around 6m/s2, and the calculated friction was 0.07N, or 0.1N. For the 50g mass, there were 12 trials, and a total of 1.2s. The calculated value of the acceleration of gravity for the 50g mass was around 4m/s2, and the calculated value of friction was 0.3N. For the 100g mass, there were 8 trials, with a total of 0.8. The calculated value of the acceleration of gravity was also around 6m/s2, and the calculated value of the friction was 0.4N. For each of the masses, their corresponding displacement-time graphs had an exponential growth, as they were all accelerating. When their graphs were straightened, which was done by squaring the time, their trend lines were now