This e-book is dedicated to all the curious minds who dare to explore, invent, and imagine. May your journey of discovery be filled with endless learning and creative adventures.

Meet Alex, a curious young inventor, and his robot friend, Whirly.


One day, while exploring their workshop, they discover a mysterious machine with a wheel and axle system. Together, they embark on a journey to understand how this amazing system works and how it helps us in everyday life.



CHAPTER 1:

What is a Wheel and Axle?
Alex noticed that the machine had a large circular wheel attached to a rod. Whirly explained that this was a wheel and axle system, a simple mechanical system designed to make work easier.

A wheel and axle system is made up of a circular wheel attached to a central rod (the axle). When the wheel turns, the axle turns too. This system helps reduce friction and makes it easier to move heavy objects.

CHAPTER 2:
How Does a Wheel and Axle Work?
Whirly explained the key principles of Force and Work:
Force: When Alex pushed the wheel, it rotated, transferring the force to the axle.
Work: The system reduced the effort needed to move objects by distributing the force over a larger area.
Whirly demonstrated that turning the larger wheel required less effort than turning the axle alone. This is why wheel and axle systems are effective in increasing mechanical advantage.

CHAPTER 3:
Wheels and Axles in Everyday Life:
Alex and Whirly explored the city, spotting wheel and axle systems everywhere:


Bicycles - The pedals turn a gear attached to an axle, propelling the bike forward.

Door Knobs - Rotating the knob (wheel) moves the latch (axle) inside the door.
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This e-book is dedicated to all the curious minds who dare to explore, invent, and imagine. May your journey of discovery be filled with endless learning and creative adventures.

Meet Alex, a curious young inventor, and his robot friend, Whirly.


One day, while exploring their workshop, they discover a mysterious machine with a wheel and axle system. Together, they embark on a journey to understand how this amazing system works and how it helps us in everyday life.



CHAPTER 1:

What is a Wheel and Axle?
Alex noticed that the machine had a large circular wheel attached to a rod. Whirly explained that this was a wheel and axle system, a simple mechanical system designed to make work easier.
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