Newton's Laws
This law explains why a soccer ball will stay at rest until a player kicks it.
What is Newton's First Law (Law of Inertia)?
This is the formula to calculate force.
What is F = ma?
This is one factor that affects the path of a projectile through the air.
What is initial velocity, angle of projection, ratio of weight to air resistance, height of release, spin, or air resistance?
What are preparatory, force production, critical instant, and follow-through or recovery?
This law explains why a swimmer pushes backward on the water to move forward
What is Newton's Third Law (Action-Reaction)?
This is the result of air particles interacting with an object moving through them.
This is the release angle often producing the greatest horizontal distance for a projectile in many sports.
In sprinting, the push against the starting blocks is an example of this phase of movement.
What is force production?
This law explains why a heavier shot put requires more force to accelerate than a tennis ball.
What is Newton's Second Law?
This force constantly pulls objects toward the Earth.
What is gravity?
This happens to the distance traveled by a projectile if the speed of release increases.
What is increased distance?
This phase gets the body ready for the main action by positioning muscles and joints.
This law explains that a sprinter increases acceleration by pushing harder against the ground.
This is a force causing rotation.
What is torque?
This is the mathematical point in which the mass of a body is centered and the axis for rotation while in the air.
What is center of mass?
This phase helps slow the body down safely after the main movement.
What is the follow-through phase?
This is change in displacement over time with size and direction.
What is velocity?
This is a measure of how difficult it is to rotate an object.
What is moment of inertia?
This is why a shot putter's angle of release is less than 45 degrees.
What is height of release is above the ground?
During a volleyball spike, this phase is when the arm swings backwards before hitting the ball.
What is the preparatory phase?