Date Section Student Name Report on Laboratory Experiment "Newton's Second Law: Atwood's Machine" NOTE: We can leave all masses in grams (g) since all calculations involve ratios of masses. DATA TABLE Trial 1 Trial 2 Trial 3 Trial 4 Mass of pulley M, g 200 Mass of the first weight holder weight holder 1 (8) 50 Mass of the weight, placed in the 20 60 180 weight holder 1 Am1 (8) 40 Total ascending mass mi (8) Note: mi = mweight holder 1 + 4my/ Mass of the second weight holder Mweight holder 2 (8) 50 Mass of the weight, placed in the weight holder 2 Am2 (8) 30 50 70 90 Total descending mass m2 (8) Note: my = mweight holder 2 + Am2/ Height of fall h (m) 0-80 10.80 0.80 10. 80 Measurement 1 2 . 34 2.08 2. 45 2. 46 Measurement 2 2. 15 |2 6 46 2064 2.57 Time of fall Measurement 3 198 2- 25 /2.24 2.60 Measurement 4 2. 06 2 . 32 2.37 2. 22 Measurement 5 2. 04 2. 141 /2. 118 2 061 Average time of fall t (s) Theoretical acceleration a from (1) (m/s2) Measured acceleration a from (2) (m/s2) % Difference