Gravitational Forces | How Gravity Works
Автор: Cognito USA
Загружено: 2025-12-11
Просмотров: 41
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** WHAT'S COVERED **
1. The concept of gravitational forces.
Factors affecting the size of the force: the mass of objects and the distance between them.
The definition of a gravitational field and gravitational field strength (g).
A comparison of the gravitational field strength of the Earth, the Moon, and the Sun.
An explanation that gravitational forces are always attractive.
2. How to map gravitational fields.
An explanation of how these invisible fields act on objects without physical contact.
The method of using a test object to observe and map the effects of a gravitational field.
How the strength of the field varies with distance from the object's centre.
The infinite, though weakening, extent of gravitational fields through space.
** CHAPTERS **
0:00 Introduction
0:18 What is Gravity?
2:06 Mapping Gravitational Fields
3:21 Outro
#Physics #study #revision #school #exam #IB #AP
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