Force is a push or pulls acting upon an object as a result of its interaction with another object. There are a variety of types of forces.
Previously in this lesson, a variety of force types were placed into two broad category headings on the basis of whether the force resulted from the contact or non-contact of the two interacting objects.
Types of Force
- Contact Forces
- Action-at-a-Distance Forces
- Frictional Force
- Gravitational Force
- Tensional Force
- Electrical Force
- Normal Force
- Magnetic Force
- Air Resistance Force
- Applied Force
- Spring Force
Effects of Force
- Force has the following effects on objects
- Force can make a stationary object move or make a moving object move faster.
- Force can change the direction of a moving object.
- Force can change the shape or size of an object.
Strategies & Activities:
Step 1: Teacher revises the previous topic.
Step 2: Teacher introduces the new topic.
Step 3: Teacher explains the new topic.
Step 4: Teacher welcomes pupils’ questions.
Step 5: Teacher evaluates the pupils.
Assessment & Evaluation:
.1. Explains the meaning of force
.2. Explain the source of force.
- Explains the effects of forces.
- Explains the usefulness of force.
Assignment:
- Define force.
- Define three types of force.
- State three effect of force.
- List three usefulness of force.