A box weighing 550 N slides at constant speed across a flat parking lot, under the influence of a stiff wind. The wind applies a force of 155 N parallel to the ground. What is the angle relative to the vertical of the contact force applied by the ground?
A) 75°
B) 74°
C) 90°
D) 16°
E) 15°

Question

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The Answer of A box weighing 550 N slides at constant speed across a flat parking lot, under the influence of a stiff wind. The wind applies a force of 155 N parallel to the ground. What is the angle relative to the vertical of the contact force applied by the ground?
A) 75°
B) 74°
C) 90°
D) 16°
E) 15°

A Box Weighing 550 N Slides at Constant Speed Across