Question

Amount of force to exert by our muscles while in motion​

Answer 1

Answer:

Muscles work by getting shorter. We say that they contract , and the process is called contraction. Muscles are attached to bones by strong tendons . When a muscle contracts, it pulls on the bone, and the bone can move if it is part of a joint.

Explanation:

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Answer 2

For every 1 square centimetre of cross sectional area, muscle fibres can exert a maximum force of approximately 30–40 newtons (the weight of a 3–4 kg mass)

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