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Episode 4: Force

Written by Kira | October 25, 2023

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Welcome to our latest blog post, where we delve into the fascinating world of force. Our video covers what force is, its everyday applications, and its significance in structural engineering.

What is Force?

Force is a push or pull upon an object resulting from its interaction with another object. It is a vector quantity, meaning it has both magnitude and direction.

Everyday Applications of Force

In daily life, forces are everywhere. Pushing a door, kicking a ball, and sitting in a chair all involve applying force. Gravity keeps us grounded, and friction prevents us from slipping.

Non-Contact Forces: Powerful Enough to Move a Train

Non-contact forces, like magnetic and gravitational forces, act over a distance without direct contact. Maglev trains use magnetic levitation to move without touching the tracks, reducing friction and allowing high speeds.

Force as a Vector

Force’s vector nature means it has both strength and direction. This is crucial for calculating resultant forces and understanding object dynamics.

Contact Forces vs. Non-Contact Forces

Contact forces involve physical interaction, like friction and tension, while non-contact forces, such as gravity and magnetism, act over a distance. Both are essential in different contexts.

Force in Structural Engineering

In structural engineering, understanding forces ensures buildings withstand various loads, such as weight, wind, and earthquakes. Engineers calculate these forces to ensure stability and safety.

Newtons in Force Equations

The Newton (N) is the SI unit of force, named after Sir Isaac Newton. One Newton is the force needed to accelerate a one-kilogram mass by one meter per second squared. Newton’s laws, especially F=ma, are foundational in physics and engineering.

Conclusion

Forces drive motion and stability in our world. From daily actions to advanced engineering, understanding forces helps us navigate and manipulate our environment. Watch our video for a deeper dive into the incredible world of force!