It's the law partner
Name all 3 of Newton's Laws of Motion (in order)
Do not have to define, just list them
1st Law - law of inertia
2nd Law - law of acceleration
3rd law - Law of action & reaction
What is fluid mechanics?
the branch of physics that studies the behavior of fluids (liquids and gases) and the forces acting on them.
What are the 4 phases of movement?
Preparation
Force Production
Critical Instant
Follow through
A golfer wants to make their ball travel further by increasing the force applied to the ball. Assuming it is hit by the same acceleration, what type of golf club should the use?
A. The lightest club
B. The longest club
C. The heaviest club
D. The widest club
What is the main function of the axial skeleton?
Protection
Describe all 3 of Newton's laws (what they state.. in order)
1st - an object at rest stays at rest and an object in motion stays in motion unless acted upon by an unbalanced force
2nd - Force = mass x acceleration
3rd - for every action there is an equal and opposite reaction
What is the Bernoulli principle?
Explains how fast-moving fluid (like air or water) creates low pressure. It says when a fluid speeds up, the pressure it exerts drops.
The force producing phase involves the synchronized movement of what 2 body systems?
Skeletal and Muscular
Which of Newton's laws predicts the increase in acceleration of the swing when a child uses a lighter baseball bat?
Second
What muscle acts as an antagonist to the quadriceps during knee extension?
hamstrings
Name 5 of the 6 principles of stability that help an athlete or object maintain balance and control.
Base of Support, Center of Gravity, Mass, Friction, Line of Gravity, Dynamic stability
What is the Magnus effect?
A phenomenon that describes how a rotating object moving through a fluid (such as air or water) experiences a force perpendicular to the direction of motion.
Describe how using movement analysis can help identify areas for improvement applicable to health, safety and sporting performance?
Health & Rehabilitation
Safety
Sporting Performance
Accessibility
An opposing force reduces the motion parallel to the interface of 2 surfaces that are in contact. What term an I describing?
Friction
An athlete, while running, sprains the ligaments on the lateral side of their ankle. What type of movement occurred at the ankle to stretch the lateral tendons?
Inversion
A ball hit during a game of baseball is subject to Newton’s laws of motion. What will increase the acceleration of the ball?
A. increasing the mass of the ball.
B. increasing the force applied to the ball
C. Increasing the angular velocity of the racket head
D. All of the above
E. A and B only
F. B and C only
What does it mean to have a low coefficient of friction? What does it mean to have a high coefficient of friction?
Provides examples of each
low resistance - low friction
high resistance - high friction
low coefficient = ice skater skating on ice
high coefficient = track shoes, cleats
What is the equation for force?
Force = mass x acceleration
During a gymnastics routine, an athlete performs a backflip. How does the athlete's center of mass change during the backflip?
The center of mass shifts depending on the gymnasts distribution of body weight.
Name an exercise for each plane of motion.
transverse - russian twist
frontal - lateral arm raise
sagittal - body weight squat
What is the difference between linear and angular motion?
Linear - movement in a straight line,
Angular - when an object or athlete rotates around an axis. It is also referred to as rotational motion
Describe how the Bernoulli effect relates to airplanes.
airplanes generate lift by creating a difference in air pressure between the top and bottom of their wings. As air flows faster over the curved upper surface of the wing, it creates a lower pressure area compared to the slower moving air under the wing, resulting in an upward lifting force that allows the plane to stay airborne.
Choose a sports movement. Stand up and demonstrate each phase of movement.
TBD
What is the relationship between angular momentum, angular velocity, and moment of inertia?
Angular momentum = angular velocity x moment of inertia
Choose a member from each team to challenge you in anatomy simon says.
Mrs. Morrow judges