80 N80 N 45° (c)


20 N 110°


30° (e)


20 N 110°


8 N


30° 10 N 30°


30° 30° 35° (g) 35°


550 N 600 N


35° 35° 35° (i) 1 500 N


1 300 N 120° 1 300 N 120°


1 500 N 1 300 N 120°


Answers to question 14 (a) Resultant = 138,5 N 24° N of E (b) Resultant = 137 N


1 300 N 120° 1 300 N 120°


1 300 N 120° 1 500 N 1 500 N 1 500 N 1 500 N


8 N30° 8 N


10 N


10 N 8 N


8 N 10 N 10 N 10 N


550 N 600 N


550 N 600 N


35°


550 N 600 N


550 N 600 N


550 N 600 N


(j) (h) 45° 45° 45°


50 N45° 45°


(f) 45° 70 N70 N 15 N15 N 8 N 100 N 25°


75 N75 N


N1 Engineering Science|The Easy Way! 43 65 N65 N


25° (d) 5 N 5 N


6 N 45°


100 N


100 N150° 95 N 100 N


100 N 100 N 150° 95 N 150° 95 N


150° 95 N 150° 95 N


150° 95 N 100 N


100 N 75 N


45° 100 N 75 N 75 N 50 N


50 N 110° 50 N


50 N 110°80 N 110° 50 N 80 N 110°80 N 110° 80 N 80 N (pulling) Equilibrant = but opposite 80 N (c) Resultant = 20,5 N 66,5° S of E


15,5° S of E 80° N of E 86,5° S of E


44° S of E


13,5° N of E (pulling) Equilibrant = but opposite (pulling) Equilibrant = but opposite


(d) Resultant = 10,15 N 24° S ofW (pushing) Equilibrant = but opposite (e) Resultant = 17,4 N 16,5° S of E (f) Resultant = 188 N (g) Resultant = 350 N (h) Resultant = 71 N


(pushing) Equilibrant = but opposite (pulling) Equilibrant = but opposite (pulling) Equilibrant = but opposite (pulling) Equilibrant = but opposite


(i) Resultant = 2 430 N 32,5° S ofW (pulling) Equilibrant = but opposite (j) Resultant = 108 N


(pulling) Equilibrant = but opposite


Note N of E = above right horizontal N ofW= above left horizontal


S of E = below right horizontal S ofW= below left horizontal


E of N = to the right of the top vertical Wof N = to the left of the top vertical E of S = to the right of the bottomvertical Wof S = to the left of the bottomvertical


100 N


100 N 75 N


75 N 75 N 110° 100 N


6 N 45°


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