Hand-written summary mind map for biomechanical movement in AQA A-Level PE, Section A, Paper 2 (7582/2). This includes a brief overview of: biomechanical principles; levers; linear motion forces; scalars; vectors; angular motion; factors affecting drag from the specification.
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e q) headstand more balanced
gradientofdistance graph change -
in distance than more large load, over a short
zire eg)hips when standing 29) lifting arms raises handstand as more contact points distance, with little efforte ff
e centre of mass to keep e &
gradientofvelocity graph: change in velocity pointw here all
body body balanced more contactpoints means a larger mechanical
advantage
e
a S
base
time mass concentrated ofsupport, so more stabilityto
↓ o
forces depend on
efforta rm resistance arm
base of
speed body position
centre
gradientofspeed graph:change in of mass supportarea
et 2 &
time S
balance flexion
stability
explantar
as centre of mass height
graphs
eq) dorsiflexion
speed-time I S S
S
lower body
in ↳
&
speed e decreases body position of line lower centre of
mass
mass
athlete over time mass
of
an stability as of gravity
increases stability
eg) neck
E Gr
accelerating
in
greater body eq) tricep
speech canoma central line of gravity eq)bending kness when
(MIS)
decelerating over base of
support landing tumble to
stability reduce height and
objectremains
S
time (S) increases
increase stability so do State motion
of
notfall over
29) Sprinter accelerates outof
blocks upon by
29) Sprinter travels at
a constantspeed
extern
I
during the race
velocity ofa n over thee an
athlete
display distance in certain time eq) sprinter p
travelled on blocks lac
accelerating constant/steady speed b locks push
-
VelOCLY
im
1 time(s)
decelerating distance
(M)
stationary/rest
intermittentspeed/ return to start
Athlete (react
forward acc
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