Summary
Summary A2 physics notes and formulae
- Course
- Institution
Complete syllabus covered including astrophysics.
[Show more]
Seller
Follow
alihur
Reviews received
Content preview
CIRCULAR MEASURELinear Displacement Displacement in a straight line
Linear velocity Rate of change of angular displacement
Angular Displacement Anglesubtended at the centre when an object movesfrom
position A to position B on a circular track
Angular velocity Rate of change of angular displacement W O t
For A complete revolution W It T We 298
v rW s linear velocity radius x angular velocity
CentripetalForce Force requiredfor an
t XY Z havethesame object to move in a circle Is directedtowards
hey
one centre or the circle
2 Fc MrW
Vx Ny Ve as Fe Fe Mv w
If In verw considering
my
theradiusratio Centripetal acceleration F ma
Conical Pendulum ma mu r mas mrw mas mu w
a r as rw a NW
Radian Anglesuspended at the centre of a
F Fc sine circle by an arc equal to its radius
vertical Circular motion
T W COSA Tmax MY't 008180
gooo mg
Feng
Tan Imax tm900270 Imax Yu
p kg Tma
mg
Mmg
Tano Tan 0270 I p 0900TmaxMftmgeos
90
vg w Tmax Niv
p vitoFe T woos
r
HorizontalCircular Motion go
Imax Mf mglosco Tmax ME1mgCos
I Fc T
Iw 1 Mv2
Imax
my mg
r
, GRAVITATION
Newton's law ofGravitation Force of attractionbtw two pointmasses
is directly proportional to the product of the masses and inversely Fa GMima
proportional to the square of the distance btw their centres R2
Earth moon
Relationship b w g anda null Point
W a Earth moon
pint gig
objectof
magcon mass m
Mlg Amfm
id Atthe null point t Fr distance'm
in
g GM
R2 MELHEM
ofspace where amassexperiences aforce
GravitationalField Region
Gravitational FieldStrength
g Force ofattraction experiencedby a unitman placedwithinthefield
Satelliteorbitting a planet Geostationary Orbit equatorial orbit aboveequator
satellite satellitemoves fromwesttoeast samedirectionas Earth
period is 24 hours same period as spinningon Earth
FcFa
m ma Gravitational potential 0 GM
ay GMT
0 at infinity is zero awayfrominfinity it becomes ve
M G Wi 913
work is done by the field to move unit mass
towards the sourcemass o
KE 0.5
mus
KE 0.5m Ft
24 93 DO Of 08
KE T2 DO GE far
MI Im
so am r a n
Gravitational PotentialEnergy work done in moving a point mass from
infinity to a point within the gravitational field eaknw 0
Escape velocity gg moon
GaininGPElossinKE at surface
3ham g Gig GREGME
oedaugto
X
g lg matmvesi
ME Gm Re o Vest 2 Vest GERE Ferpositionosboth
Omdgento
Vesc µ
129ft
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 alihur. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.39. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79373 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now