IB SL Physics Unit 2: Mechanics

distance: symbol, units, s/v

displacement: symbol, units, s/v

time: symbol, units, s/v

speed: symbol, units, s/v, equation

velocity: symbol, units, s/v, equation

acceleration: symbol, units, s/v, equation

jerk: symbol, units, s/v, equation

initial velocity: symbol, units, s/v

final velocity: symbol, units, s/v

velocity over the total time

velocity at a specific time

unchanging velocity

an object influenced by gravity only

Newton’s First Law: the law of ______

(Newton’s First Law) _______ is dependant on ___

Newton’s Second Law: the law of

(Newton’s Second Law) equation:

Newton’s Third Law: the law of

(Newton’s Third Law): statement

two types of friction: _____ ______, ______

F_N = _______ Force

force 90° to the surface an object is on

F_g = _

how to find reactionary force (R)

F_NET = ____ force

the sum of all forces is ____ force

translational equilibrium: what is equal to zero?

study the equations for inclined planes!!

for a ________ use the equation

a=(fg2-fg1)/(m1+m2)

or a=f__/__

the ability to do work or cause change

force * displacement, measured in Joules

N*m = kgm²/s²

energy of motion (.5mu²)

energy due to position or composition (chemical, gravitational, elastic, electric, nuclear, magnetic)

internal or mechanical energy: kinetic, potential, or both

energy/time = J/s = Watt (W)

F=-kx

energy initial is always equal to

useful energy/total energy = useful power/total power = 34% KE

CPE; KEf +TEf + sound

GPEw →KEw→KEt→EE (electrical energy)

mass in motion

p (momentum) =

an object’s change in momentum

J (impulse) =

momentum is __________ in every collision

KE is not conserved (real life collisions)

KE is conserved