trolley = 570g

total after masses=920g

Table F(N) 0.49 0.98 1.47 1.96 2.45 2.94 3.43 Trial 1 0.49 0.94 1.4 1.93 2.55 2.76 3.07 Trial 2 0.49 0.98 1.43 1.89 2.43 2.68 3.04 Trial 3 0.48 0.97 1.46 1.90 2.67 2.75 3.09 Average a(m/s^2) 0.49 0.96 1.43 1.91 2.55 2.73 3.07