a fulcrum allows for an input force of 4 N and an output force of 12 N. what is the mechanical advantage of the fulcrum

Protons and neutrons are found within the nucleus of an atom

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

Describe uniform velocity and variable velocity in short