Answer:
When the muscle is completely contract.
Explanation:
Remember the that maximum force of a muscle is when is completely contract. A characteristic of a muscle is that can contract and can relax in the opposite direction. In this way, when all the microfibers of the muscle are join together (they are contract) is when the maximum tissue force is applied.
With exercise the fibers of the muscles can grow or reproduce to strength the muscle.
<span>The lighter object is in orbit around the heaviest, and the Sun is the heaviest object in the Solar System</span>
Speed =dist./time
=73.4/5
=14.68 km/hr
Answer:
Sound energy is produced when an object vibrates. The sound vibrations cause waves of pressure that travel through a medium, such as air, water, wood or metal. Sound energy is a form of mechanical energy.
Explanation:
