eguruchela


Straight line motion


s: distance(m), t: time (s, second), v: velocity (m/s), VA: average velocity


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PHYSICS FORMULAS001.jpg

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Constant Acceleration Straight Line Motion


A: Acceleration, V0: Initial Velocity, V: Velocity At Time T


1


2


CodeCogsEqn(23).gif


Distance Function


X0: Initial Distance From Origin, X: Distance At Time T


CodeCogsEqn(24).gif


Uniform Circular Motion


Ø: angle (radian), l: length of an arc, R: radius of circle, ω: angular velocity (rad/s), t: time the object moves a length of l

m001

CodeCogsEqn(25).gif


8


CodeCogsEqn(26).gif


Centripetal Force


f: frequency (Hz), T: the period for one rotation (s), a: centripetal acceleration, F: centripetal force (N, Newton)

v001

9

CodeCogsEqn(28).gif

CodeCogsEqn(28).gif


Constant Acceleration Circular Motion


γ: angular acceleration

c1

c2

c3


Acceleration


at : tangential acceleration, an : normal acceleration

c4

c5


Freely Falling From Height H


g: gravitational acceleration, v: velocity at t, s: distance after t, vh: velocity when touching the ground, th: time to touch down

PHYSICS FORMULAS002.jpg

c6


c7


c8


c9


c10


g=9.8m/s2


Vertical Projectile Motion


Hmax : maximum height, v0: initial velocity

h002

c11

12c

Motion equation and velocity equation

c13

c14

c14


Angled Projectile Motion


vx, vy: velocity; x, y: motion equation by t; H: maximum height; L: maximum distance

12c y001

c15

c16

c17

c18

c18


Horizontal Projectile Motion


th: time when touchdown, vh: velocity when touchdown

c9 pic

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Sliding Motion On An Inclined Plane


µ: coefficient of some materials

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Fiction coefficient of some materials

MaterialCoefficients of friction
Aluminium0.61
Rubber1.0
Wood0.62
Glass0.94