Kinetics of Human Movement Flashcards
kinetics
in physics and engineering, kinetics is the branch of classical mechanics that is concerned with the relationship between motion and its causes, specifically, forces and torques
Define force
a force is a push or pull, usually measured in Newtons (N)
- > something that is trying to move an object
Weight
W = mg (mass x gravity)
- > weight is the force applied by gravity to an object
Finding the angles between vectors
Impulse
Force x Time
basic units of Newtons
kg m/s2
Angular equivalent of force is __________
Moment of force, or sometimes known as torque
- > units are Nm
Newtons first law
Newtons second law
Acceleration of an object is dependent on 1) the net force acting upon the object 2) the mass of the object
Newtons third law
GRF
ground reaction force
- > the force exerted by the ground on a body in contact with it
CoM
Centre of mass
what happens if GRF is less vs more than your body weight
LESS
- > the CoM will accelerate downward
GREATER
- > the CoM will accelerate upward
SAME
- > no change/movement
Does your center of mass always have to be on your body?
NO
What does the GRF look like during a vertical jump
