Biomechanics WHOLE UNITS

This pack contains all revision resources for linear, angular and projectile motion, as well as fluid mechanics. This comes under the edexcel A-level PE specification of sub-topics 2.4, 2.5, 2.6 and 2.7.

2.4 - Linear motion:
2.4.1 Knowledge and understanding of the factors associated
with linear motion and the application of definitions,
equations, calculations and units of measurement in a
sporting context.
2.4.2 Calculation of the distance and displacement, speed and
average speed, velocity and acceleration.
Speed = distance/time (s =d/t)
Velocity = displacement/time or distance/time (m/s)
Acceleration = (final velocity – initial velocity)/time
taken (m/s²)

2.5 - Angular motion:
2.5.1 Knowledge and understanding of how angular motion is
applied in a sporting context.
2.5.2 Factors affecting moment of inertia: mass and
distribution of mass from axis of rotation.
2.5.3 Effects of increasing or decreasing the moment of inertia
when rotating about an axis (whole body or specific joint).
2.5.4 Conservation of angular momentum during flight,
moment of inertia and its relationship with angular
velocity

2.6 - Projectile motion:
2.6.1 Knowledge, understanding and application of projectile
motion in refining technique in different sporting
contexts.
2.6.2 Forces acting during flight that affect projectile motion:
gravity, air resistance and lift forces.
2.6.3 Factors that determine the horizontal displacement of a
projectile: velocity of release, height of release, angle of
release.
2.6.4 Technique modification through the application of
technology by the performer and coach in order to
improve performance.

2.7 - Fluid mechanics
s 2.7.1 Knowledge, understanding and application of
aerodynamics and hydrodynamics to appropriate sports
contexts.
2.7.2 Factors affecting fluid friction and air resistance:
velocity, drag force, mass, streamlining and surface
characteristics of body.
2.7.3 Interaction of lift forces with objects: upward and
downward lift forces, angle of attack and the Bernoulli
effect.
2.7.4 Types of spin: topspin, backspin, sidespin. Magnus effect
and how they impact on flight path and bounce.
2.7.5 Principles of fluid mechanics and how it has influenced
technological advancements in technique modification,
clothing/suits, equipment/apparatus.