Praktikum Roda Berporos - Komidi Putar | SaBiKum |Eksperimen Sains | DIY

Summary

In this video, viewers are guided through the simple yet fascinating process of building a mini Ferris wheel, or 'komidi putar,' using basic materials like cardboard, skewers, and a small motor. The construction involves creating a rotating wheel with a DIY mechanism, showcasing the principle of a rotating axle, which is a type of simple machine. The project becomes automated by integrating a series circuit, a small dynamo, and a battery to power the motion. This hands-on activity blends creativity and engineering, offering an educational experience for all ages.

Takeaways

• 😀 The script explains how to create a simple carousel (Merry-Go-Round) using cardboard and basic materials.
• 🎨 The first step involves preparing cardboard of specific sizes to form different parts of the carousel.
• ⚙️ The construction of the carousel's wheel involves gluing circular pieces of cardboard to form the base and the wheels.
• 🔩 Wooden skewers are used to secure the parts of the carousel together, with careful attachment to prevent movement during rotation.
• 💡 The carousel works based on the principle of a rotating wheel, a type of simple machine.
• 🛠️ The process is explained with clear instructions on creating a basic structure for the carousel using easy-to-find materials.
• 🔋 A battery-powered motor (in the form of a dynamo) can be used to automate the carousel's movement.
• 📏 To automate the carousel, smaller wheels are attached to the dynamo, which then connects to the main carousel wheel using thread.
• 🔄 When the motor is powered on, chemical energy from the battery is converted into mechanical energy, making the carousel rotate.
• 🌟 The project demonstrates the basic workings of energy conversion and how simple machines like a carousel can function with minimal materials.

Q & A

What is the main activity discussed in the video?

The video describes how to make a miniaturized version of a merry-go-round (komedi putar) using simple materials, demonstrating its working principle and how to make it automatic.

What are the basic materials required to create the merry-go-round model?

The materials include cardboard, a hot glue gun, toothpicks, a block of wood, a mini electric motor (dinamo), battery holder, switch, and small wheels.

What is the first step in building the merry-go-round?

The first step is to prepare cardboard with specific measurements, which are then glued together to form the base structure.

How are the wheels of the merry-go-round constructed?

The wheels are made from cardboard circles that are glued together, and toothpicks are used to attach them to a wooden block, ensuring they rotate smoothly.

What is the purpose of the toothpicks in the construction process?

The toothpicks are used to secure the wheels and other components, ensuring they are firmly attached and able to rotate.

What is the function of the mini electric motor in the model?

The mini electric motor (dinamo) is used to make the merry-go-round spin automatically by converting chemical energy from the battery into motion.

What does the video explain about a series circuit?

The video mentions that a series circuit is used to power the motor, and it provides a link to another video for viewers who are unfamiliar with how a series circuit works.

How does the merry-go-round rotate automatically?

The rotation is powered by a small electric motor connected to a battery, with the motor's energy converting into mechanical movement that turns the merry-go-round.

What are the steps involved in making the mini chairs for the merry-go-round?

To make the mini chairs, cardboard pieces are cut to size, and the parts are assembled and glued together to form small seats that will be attached to the merry-go-round structure.

Why is this project considered an example of a simple machine?

The merry-go-round is an example of a simple machine because it uses the basic principle of a wheel and axle (a type of simple machine) to rotate, making it easier to perform the work of spinning.