Answered: F, = 10 N 45° |f = 7.5 N 30 F = 8 N…

F, = 10 N 45° |f = 7.5 N 30 F = 8 N Free-body diagram F, Figure 4.36 An overhead view of the horizontal forces acting on a child's

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 6STP

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Concept explainers

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?”

Question

Two children pull a third child on a snow saucer sledexerting forces F₁
and F₂as shown from above . 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
F₁and F₂

F, = 10 N
45°
|f = 7.5 N
30
F = 8 N
Free-body diagram
F,
Figure 4.36 An overhead view of the horizontal forces acting on a child's

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