A 30 kg basketball goal is supported by a uniform 10.0 kg pivoting arm that is 0.70 m long. The goal and arm are raised and lowered by a cable that attaches at a point 0.50 m from the wall, as shown. When the goal is down, the cable makes a 45° angle with the arm. What is the tension in the cable?
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A 30 kg basketball goal is supported by a uniform 10.0 kg pivoting arm that is 0.70 m long. The goal and arm are raised and lowered by a cable that attaches at a point 0.50 m from the wall, as shown. When the goal is down, the cable makes a 45° angle with the arm. What is the tension in the cable? |
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