LESSON DEVELOPMENT

Preknowledge

In the previous section, you have learned that Force changes a body's state of motion or shape. Some forces are small while others are large. Forces therefore, have size(magnitude).

In this section, you are going to study mainly on different types of forces we have in nature and their extensive application in modern society.

Problem Based Learning

In groups of five, think pair and share on the different types of forces in nature. List down five such forces you have discussed in your exercise books.

There are many types of forces, some of which are listed below.

Gravitational force
Tension
Upthrust force
Frictional force
Magnetic Force
Centrepetal force
Cohesive and Adhesive force
Surface tension
Electrostatic force.

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