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Understanding Forces in Physics

The document discusses the topic of physics and forces. It defines what physics is and explains the four basic types of forces: push, pull, stretch, and turn. It discusses that forces are not visible but can be felt and represented by force arrows. It includes exercises for students to identify and draw examples of the different forces.

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viwaindis
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52 views16 pages

Understanding Forces in Physics

The document discusses the topic of physics and forces. It defines what physics is and explains the four basic types of forces: push, pull, stretch, and turn. It discusses that forces are not visible but can be felt and represented by force arrows. It includes exercises for students to identify and draw examples of the different forces.

Uploaded by

viwaindis
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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PHYSICS

What is Physics ?
Nature
Matter of
Force

Energy
9 Forces & Motion
9.1 Seeing Forces
Things forces can do

• Push
• Pull
• Stretch
• Turn
Push
We use a force to push a broken-down car.
Pull
We use a force to pull a drawer open.
Stretch
We use a force to stretch a rubber band.
Turn
We use a force to turn a door handle.
Exercise 01
1. Write four sentences, one for each of the words ‘push’, ‘pull’, ‘stretch’ and ‘turn’
2. Write short sentences describing what each force is being used for.
Are forces visible ?
• No it’s not visible.
• But we could feel it.
• Force arrow represents the direction of a force.
Labelling force arrows
Further..

• Note that, for a push, force arrow is pointing towards the object which is being pushed. For a
pull this is the opposite.
Exercise 02

1. Draw a simple picture of your foot kicking a ball. Add a force arrow to show the push
of your foot on the ball.
Exercise 02

1. While they are playing together, Sam picks up his little brother Joe. Think
about the force that acts on Joe.
a. In which direction does this force act?
b. What are the two objects interacting?
c. Draw a diagram to show the force that acts on Joe.
End of lesson 9.1
Home Work Questions : Do all the exercises in Skill builder and Challenge
books.

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