Conduct research on one of the following topics to find other forms of evidence like videos or real-world devices or scenarios that model Newton’s First Law of Motion. How does the selected topic model Newton’s First Law of motion? Use examples from your research to support your thinking. Communicate your findings in a presentation. If possible, present your findings with a peer or with your Learning Coach to an audience. Be sure to use a variety of formats and settings.

Answer 1

Title: Newton's First Law of Motion: Real-World Applications

Introduction:
Today, we will explore Newton's First Law of Motion, also known as the law of inertia. This fundamental principle states that an object at rest will remain at rest, and an object in motion will continue moving at a constant velocity unless acted upon by an external force. Through extensive research, we have discovered various examples that model Newton's First Law of Motion in different real-world scenarios, diverse video clips, and practical devices.

1. Automotive Airbags:
One remarkable real-world application of Newton's First Law is seen in automotive airbags. These devices are designed to protect passengers during a collision. When a car crashes, it comes to an abrupt stop, but the passengers have a significant forward momentum. According to Newton's First Law, an object in motion tends to stay in motion until acted upon by an external force. In this case, the airbag provides the external force by deploying rapidly, thus slowing down and restraining the passengers. This action prevents them from crashing into the hard surfaces of the vehicle, reducing the risk of severe injuries.

2. Pendulums:
Another practical example that demonstrates Newton's First Law of Motion is a pendulum. A pendulum comprises a weight suspended on a string or rod, swinging back and forth. At the maximum height of its swing, the pendulum momentarily comes to rest. However, due to inertia, it continues its motion, descending until it gains momentum and swings back upwards. This cycle continues until an external force, such as air resistance or damping, slows it down.

3. Inertia Demonstrations:
Many engaging videos showcase inertia in action. For instance, a popular experiment features a coin placed on an index card hanging over the edge of a table. The card is vigorously flicked by the experimenter, but the coin appears to defy gravity. Instead of falling to the ground, it remains in place due to inertia. The force and motion applied to the coin are insufficient to overcome its inertia, allowing it to "stick" to the card momentarily.

4. Train Scenario:
Consider the scenario of a train rapidly accelerating. Passengers inside the train may feel "pushed" backward as the train speeds up. According to Newton's First Law, the passengers have a natural tendency to retain their state of motion, so when the train accelerates, their bodies resist the change in motion by remaining in place. This experience demonstrates inertia and the application of Newton's First Law in a daily setting.

Conclusion:
Newton's First Law of Motion, the law of inertia, is widely applicable in numerous real-world scenarios, videos, and practical devices. From automotive airbags protecting against collisions to the motion of pendulums and various inertia demonstrations, these examples aptly showcase the fundamental principles of inertia. Observing and understanding these everyday occurrences enable us to comprehend the world around us from a scientific perspective and appreciate the significance of Newton's First Law.