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O-LevelPhysicsForces5054/11 · May/June 2018 · Q91 Mark

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?

Diagram for this question, from the exam paper

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A200 N

B240 N

C280 N

D1400 N

✓ Correct answer

C: 280 N

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About this question

Topic: Forces, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2018 Paper 1 Variant 1, question 9.

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