Class notes
Physical Sciences: Gravity and Electric fields
- Course
- Institution
This pdf covers the gravity and electric fields of the physical sciences IEB syllabus with worked examples
[Show more]
Seller
Follow
ashtonleemarais
Content preview
, and electric fieldsGravity
universal
Law of
gravitation : Each particle with mass in the universe attracts
that is
every
other particle with a force
directly
~
Proportional to the product of the masses and
inversely
of the distance between their
M
, Y Y Mz proportional to the
square
F Centres .
F = GM ,
M2 Ge universal gravitational constant 6, 3x10" N . m?
Kgh
r2
Gravitational field : The
gravitational force acting per unit mass
g. f
Mass = Scalar Weight-rector
is exerted object. The other
Weightlessness is when
mechanical forces that
only gravity of weight
on an
absent
cause feeling are
Experienced in a vacuum free fall far from planets
, ,
away
Relationship between g and G
GmMimg GmMg
F = =
Electrostatics
Elections more from an
object with more electrons to an object with less
electrons
Imc = 1x10
-
3
Forces between charges "
Strength of Force :
INC = 1x10 C
Like
charges repel 1x10"C
-
magnitude of charge In) =
distance between centres
opposite charges attract
-
*
1p)
= 1x10 C
Magnitude of charges
the force between particles increases
If
charge on particle increases ,
by the same factor
Distance between charges
electrostatic force decreases when distance increases
factor equal to the inverse to the square of the distance
changes by a
-
electron 6 x10 ( Proton Charge 1 6x10 C
charge ,
: -1
: ,
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 ashtonleemarais. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $5.69. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
60434 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now