This document provides notes regarding topic 2 in IB physics regarding mechanics. These notes were taken keeping the syllabus in mind and have aided me in getting a 6/7 in higher level IB physics.
distance vs .
displacement Mct instantaneous vs .
average
°
distance distance
: travelled velocity
from A to B average Given displacement
:
definitions
,
scalar how fast body moves during
quantity a
displacement shortest a time interval tf
path velocity vs speed
°
: .
.
instantaneous : how fast
moved in a particular velocity displacement / time
:
direction and in which direction a body
!
vector
quantity
.
moment of the
ntifyeotor 7.omnes art gang
dgigtafanp.ae/gtiamne+i+y
9" speed :
rate of change of
unit : meter unit : meter 1 second
displacement
acceleration the rate of change of ( moving faster blower direction )
:
velocity or
change in
acceleration = velocity unit : meters / second
time
relative motion
motion is measured relative to the observer .
It is easiest to describe motion if the observer is
stationary
relative
velocity is measured rectorial ly (the rectorial addition of velocities )
if the observer's
moving at the same
velocity (direction and speed ) then the
relative
velocity is 0
if the observer speed but opposite direction then the
is
moving at the same
of the
relative
velocity is twice the
velocity moving object a
V y
One dimensional motion :
motion is simplified into perpendicular components to simplify motion ×
>
(V )
S displacement swat
u
. -
equations t
.
a
St EV
"
U: initial
velocity s ut t
'
z
at
' cutest
V
z
V final CV
:
velocity u)
-
' a
v u't 2 as t
A: acceleration v u ta t
f
the gradient of a displacement time
graph is
velocity
-
:
time
the
gradient of velocity acceleration
a time
graph is
-
the area under the
graph is displacement
the area under the acceleration -
time
graph is
velocity
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller melissavanwelie. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $5.35. You're not tied to anything after your purchase.
