Two children pull a third child on a snow saucer sled exerting forces F₁ and F₂ as shown from above in Figure 4.35. Find the acceleration of the 49.00-kg sled and child system. Note that the direction of the frictional force is unspecified; it will be in the opposite direction of the sum of F₁ and F₂.

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f = 7.5 N Free-body diagram F₁ F2 F₁ F₁ = 10 N 45° 30⁰ F₂ = 8 N