Curriculum
Course: Science — First Preparatory
Login

Curriculum

Science — First Preparatory

Unit 1: Matter

0/8

Unit 2: Forces

0/6

Unit 3: Life

0/6

Unit 4: Earth and Space

0/4
Text lesson

Gravitational Forces

Science — First Preparatory

Gravitational Forces

Universal gravitation

Universal gravitation

  • Gravity is an attractive force that acts between any two objects that have mass.
  • The Earth attracts the Moon, the Sun attracts the Earth, and the Earth attracts the objects on its surface.
Comparison aspectMain ideaKeywords
The gravitational force increaseswhen the mass of either object increasesmasseitherobject
The gravitational force decreaseswhen the distance between the centres of the two objects increasesdistancebetweencentresobjects
•
  • For this reason
  • an object’s weight is greater on the Earth’s surface than at a great height above it
  • because the object is then farther from the centre of the Earth
reasonobjectweightgreater
Gravitational Forces · 1 / 6