Biomechanics

What is a Projectile?

• A ball rolling on the ground

• An object moving through the air or water

• A person running

• Air resistance

Which is not a factor that affects the movement of a projectile?

• Height of release

• Gravity

• Speed of release

• Temperature

Speed or release affects how far a projectile is travelled

• True

• False

If the _______ is closer to the base of support, the body will be more stable

• Body

• Line of gravity

• Height of the body

• Center of gravity

What does COG stand for?

• Center of Gravity

• Center of green

• Circle of gravity

• Center of growth

In which image would the person be more stable?

• Left

• Right

"An object at rest will remain at rest and a body in motion will remain in motion unless acted upon by an external force" refers to which of Newton's Laws

• Second Law

• Third Law

• First Law

F is equal to what in Newton's second law? F=?

• m x a

• m x s

• a x s

• a x n

For ever action, there is an _____ and opposite reaction

What is force summation?

• Forces in the body that relate to the movement

• The sum of a movement

• Forces in the body

• The sum of all forces generated by each body part