Flag Photogate Pulley Cart String Track 5 Lab Bench Complete the following observation table of Newton's 2nd law of motion experiment by choosing the correct option. length of flag on the cart 1=11.7 mm; distance s=0.5 m; Mass of the cart M=0.7 kg m F At V a (g) (N) (ms) (m/s) (m/s) 5 . 43.3 . > 15 – 25.4 ► <> 25 19.5 ► 35 < 16.5 ► 4 45 14.6 < <>