Physics · May / June 2018 · Paper 11 · Question 9
The diagram shows a muscle and bones in a person's arm. The hand holds a load of weight 40 N. The elbow acts as a pivot and the tension in the muscle keeps the lower part of the arm horizontal. What is the tension in the muscle due to the load?
- A200 N
- B240 N
- C280 N
- D1400 N
As printed in the paper
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Correct answer: C. 280 N
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