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363788
M1
Descripción
A-Level Maths Mapa Mental sobre M1, creado por antybob23 el 16/11/2013.
Sin etiquetas
maths
maths
a-level
Mapa Mental por
antybob23
, actualizado hace más de 1 año
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Menos
Creado por
antybob23
hace más de 10 años
58
1
0
Resumen del Recurso
M1
Things moving in a straight line
graphs
velocity-time
gradient = acceleration
area = distance
acceleration-time
distance-time
constant acceleration formulae
Nota:
\[v = u + at\]
\[s=\frac{u+v}{2}t\]
\[v^{2}=u^{2}+2as\]
\[s = ut + \frac{1}{2}at^{2}\]
\[s = vt - \frac{1}{2}at^{2}\]
horizontal movement
one thing
two things
time lag
distance
gravity as acceleration / deceleration
dropping things
throwing things upwards
off something higher
throwing something up towards a falling thing
s = vt (constant speed)
Forces on straight-line things
F=ma
Forces
Normal reaction
perpendicular to surface
Weight
always down
w = mg
Friction
Fmax = mu x R
Tension
from strings
goes both ways
impulse
Nota:
\[impulse = Ft\]
change in momentum
Nota:
\[mv-mu\]
momentum
Nota:
\[momentum=mv\]
conservation of momentum
Nota:
\[m_{1}u_{1} + m_{2}u_{2} = m_{1}v_{1} + m_{2}v_{2} \]
Resolving forces
Nota:
cos through the angle
force acts at angle
object on slope
when tan(x) <= mu, it'll be at rest
question types
two objects connected with string
Nota:
remember tension goes both ways
can consider each thing by itself
simple horizontal movement
slopes
simple vertical movement
through water
objects inside other objects
Nota:
can consider whole thing together, or just the object inside
pulleys
both vertical
one vertical, one horizontal
one or both on slopes
collisions
coalescions
explosions
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