In the figure, a block of mass M hangs at rest. The rope that is fastened to the wall is horizontal and has a tension off 52 N. The rope that is fastened to the ceiling has a tension of and makes an angle ? with the ceiling
What is the angle ??
A) 55°
B) 35°
C) 30°
D) 63°
E) 45°
Answer: A
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