Forces 7

Basic Science JSS1 Third Term

week 7

Force7

Performance Objectives:

The student should be able to:

1. Explain gravitation, weightlessness satellite and travel
2. State effects of gravitation

Content

Gravitation and Weightlessness

There is a force that pushes things thrown upward towards the earth. The force is called gravitation.

Weightlessness is a condition that makes an object with weight (mass) appear as without weight. In space everything with weight floats. When astronauts travel to the moon, their mass does not change but they weigh less. This condition is called weightlessness

Gravity is a force that tries to pull two objects towards each other.

Effects of gravitation

1. Gravity causes objects to move e.g. a falling fruit from the top of a…