Ouch!
Type of mechanical stress that causes blisters
Shearing force
Movement along a straight line
Rectilinear motion
This type of lever has the axis/fulcrum in the middle
Class 1
Force of earth's gravity
Weight
In order for something to be a projectile, it must be _____
In a free fall
Pain in this location can indicate a scaphoid fracture
Rate of change in velocity
This type of lever has the resistance in the middle
2nd Class
Force that opposes motion
Friction
This is the ideal projection angle to maximize horizontal displacement
45 degrees
Abnormal posture created by excessive curvature of the thoracic spine
Kyphosis
A unit that has magnitude and direction
A Vector!
This type of lever is most commonly found in the human body
3rd Class
Type of force represented by Newton's 3rd law of motion
Reaction force
These types of equations are useful for solving for projectile motion
Equations of Constant Acceleration
General quantity of motion
Momentum
The rotary effect of force
Torque
Relationship between force applied over the course of a period of time
Impulse
The only acceleration acting on a projectile (in our perfect biomechanical world)
Acceleration of gravity (-9.81)
This is the term for scapulas that do not move properly
Scapular dyskinesis
The study of life and the action of forces
BIOMECHANICS
Output/input
According to Newton's 2nd law, the force applied in a situation is inversely proportional to this value
The point at which a projectile will stop traveling up
Apex