Please answer the following question(s): 1. f = 7.5 N a = 0 = 12.5 Free-body diagram F₁ F2 m/s² degrees F₁ F₂ F₁: 45° 30° Two children pull a third child on a snow saucer sled exerting forces F₁ and F₂ as shown above in the figure. Find the acceleration a and direction of the 46-kg sled and child system. Note that the direction of the frictional force f is unspecified; it will be in the opposite direction of the sum of F₁ and F2 Think and Prepare 1. Friction acts opposite the intended motion of snow saucer. 2. Given F₁ and F2, what direction will the saucer move if initially at rest? In the direction of F₁? In the direction of F₂? Or in the direction of the resultant of F₁ and F₂? = 10 N 3. In what direction will friction act? Opposite F₁? Opposite F₂? Or opposite the resultant of F, and F₂? Enter to 2 significant figures F₂ = 8 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?”