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Summary Grade 12 IEB Physical Science: Gravitational and Electric Fields CA$6.74   Add to cart
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Summary Grade 12 IEB Physical Science: Gravitational and Electric Fields

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  • Course
  • Physical Sciences
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  • 12th Grade
  • Book
  • Physical Science

These notes cover Section D as per the IEB Physical Sciences SAGS. Included are comprehensive and annotated examples notes on Gravitational Fields, Electrostatics and Electric Fields. Although these notes are detailed, to perform well in physics, practicing textbook examples as well as past papers ...

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  • No
  • Gravitational and electric fields
  • July 18, 2023
  • 13
  • 2022/2023
  • Summary

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  • physics gravitational and electric fields

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GRAVITATIONAL AND
ELECTRIC FIELDS




@STUDYNOTESBYM

, D) GRAVITATIONAL AND ELECTRIC FIELDS

1. GRAVITATIONAL FIELDS

NEWTON’S LAW OF UNIVERSAL GRAVITATION

Every particle with mass in the universe attracts every other particle with a force which is
directly proportional to the product of their masses and inversely proportional to the
square of the distance between their centres


𝒎𝟏 𝒎𝟐
𝑭=𝑮
𝒓𝟐
F: force of gravitational attraction (N)

G: gravitational constant = 6,7 × 10−11
m1: mass of object 1
m2: mass of object 2
r: distance between their centres



WEIGHT (Fg)
The gravitational force that the earth exerts on any object on or near its surface

W/Fg: gravitational force
(N)
m: mass of the object (kg)
g: gravitational
acceleration = 9,8m. s −2

• Weight is a force measured in Newtons
• It is determined by gravity
• The magnitude of weight depends on where the object is in the solar system



FORCE FIELDS

A region of space in which an object will experience a force

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