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Mechanics
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Mechanics
AS Mechanics Topics
Quantities & Units
understand the quantities and units of length, time, mass, velocity, acceleration, force, weight
Kinematics
understand position, displacement, distance, velocity, speed and acceleration
understand and interpret graphs for motion on a straight line
understand, use and derive the SUVAT equations
use calculus in kinematics for motion on a straight line
Forces & Newton's Laws
normal reaction, tension, thrust or compression, resistance and Newton’s first law
Newton’s second law for motion on a straight line
using weight under gravity
Newton’s third law, forces in equilibrium, pulleys & connected particles
Moments
(not covered as AS)
A2 Mechanics Topics
Quantities & Units
(not covered in A2 Maths)
Kinematics
2D Kinematics
…coming to StudyWell in 2022.
Forces & Newton's Laws
2D Forces
…coming to StudyWell in 2022.
Moments
moments
…coming to StudyWell in 2022.
Things to remember for AS Mechanics
The SUVAT Equations
$V=U+AT$
$S=\left(\frac{U+V}{2}\right)T$
$V^2=U^2+2AS$
$S=UT+\frac{1}{2}AT^2$
$S=VT-\frac{1}{2}AT^2$
Variable Acceleration
${\bf v}=\frac{d{\bf r}}{dt}$
${\bf a}=\frac{d{\bf v}}{dt}=\frac{d^2{\bf r}}{dt^2}$
${\bf v}=\int{\bf a}dt$
${\bf r}=\int{\bf v}dt=\int\left(\int{\bf a}dt\right)dt$
Other
Gravity
: $g=9.8m/s^2$
Resultant Force
: $F=ma$
Friction
: $F\leq \mu R$, at maximum when object is moving or about to move.
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