A 16-year-old athlete is trying to improve their flexibility by stretching. What is the primary force responsible for the stretch in the muscle?
Q1. A 16-year-old athlete is trying to improve their flexibility by stretching. What is the primary force responsible for the stretch in the muscle?
Answer: Tension
Explanation: The primary force responsible for the stretch in the muscle is tension. Friction, gravity and viscosity are not the primary forces involved.