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A) Net force (N) Motion of the box 20 Towards South
B)
Net force (N)
Motion of the box
15
Towards East
C)
Net force (N)
Motion of the box
15
Towards West
D)
Net force (N)
Motion of the box
20
Towards North
Correct Answer: A
Solution :
Rudy and Jackie are pushing the box toward East with forces 35 N and 45 N respectively. Cruz and Harry are pushing the box toward West with forces 30 N and 50 N respectively. Hence, the net force acting in the West-East direction is \[(35\text{ }N+45\text{ }N30\text{ }N50\text{ }N)\]zero. Sandy is pushing the box toward North with a force of 25 N. Ronnie is pushing the box toward South with a force of 45 N. Hence, the net force acting in the North-South direction is\[(45\text{ }N25\text{ }N)20\text{ }N\]toward South. Hence, the net force acting on the box is 20 N toward South. The correct answer is A.
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