se 2-Calculate the resultant of two forces that are acting on a point O, as indicated in ng diagram. F1 = 200 N (b) F2 = 150 N F3 = 10 N 40° 25° F1 = 10 N F2 10 N 30 ° E.- 10 N

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”