friction. 12. A 20 kg wagon is pulled by a 10 N force at an angle of 30 to the horizontal. Ignore (a) Find the acceleration. (b ) Find the normal force . a = 0 . 5 m /s AX = ACOSO Ax = 10 cos 30 FN + Fay + Fag = ON AX = 8. GEN FN + 15 N - 196. 2N = ON FN = 19 1 . 2N ) -74 ION 30 0 20*9 - SN a = FNet FNet = ma m 8 . GEN = 20/90 20 ( 9 = 0. 43 m / j 2 13. A gardener pushes down along the handle of a lawn mower of 20 kg mass with a force of 150 N. The handle makes an angle of 60 with the ground. The force of friction is 25 N. What is the acceleration of the mower? 150 N X Ax = a cost Mos ta, aviol A farnoshad and mont asongob it to Ax = 75Nrosie ni nwords to ,vol lovel are atiba = ca 75 N 75 N+62 - = 150 Na a = FNet = 75 N a = 3.75misa 5625N +62 = 22500 N m 20 kg ba =116875 6 = 129. 9 34 AP Statistics 2020 Formulas and Tables Sheet