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A 300 kg piano is being lowered into position by a crane while two people steady...

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Physics

A 300 kg piano is being lowered into position by a crane whiletwo people steady it with ropes pulling to the sides. Bob's ropepulls to the left, 11 ∘ below the horizontal, with 330 N oftension. Ellen's rope pulls toward the right, 28 ∘ below thehorizontal.

Part A

What tension must Ellen maintain in her rope to keep the pianodescending vertically at a constant speed?

Express your answer in newtons.

Part B

What is the tension in the vertical main cable supporting thepiano?

Express your answer in newtons.

Answer & Explanation Solved by verified expert
3.7 Ratings (462 Votes)
Since the pulling Forces are actin at angleswe have to resolvethem into their componentsPart AWhat tension must Ellen    See Answer
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