Learn how tension and friction interact when an object moves at constant velocity. This video breaks down the force balance, explains why acceleration is zero, and shows how physics principles apply ...

In this chapter, we’ll explore how to calculate the spring constant of a block on an incline! 🧲 Learn the step-by-step process to solve this problem and apply your knowledge of forces, friction, and ...

The US government is launching an early career hiring and talent development program to bring more technology and artificial intelligence employees to the public sector, as part of the Trump ...

Today, if you want a large Toyota vehicle with a responsive, muscular engine that's capable, efficient, and fully compliant with emissions rules, the brand's i-Force Max engine is by far your best ...

Chief of Space Operations Gen. Chance Saltzman (right) speaks Nov. 20, 2025, in a fireside chat with Stephen Kitay, vice president of space defense at True Anomaly. Credit: Center for Strategic and ...

Astronomers are rethinking one of cosmology’s biggest mysteries: dark energy. New findings show that evolving dark energy models, tied to ultra-light axion particles, may better fit the universe’s ...

The Commandant of the Marine Corps provided an update to Force Design 2030 on Thursday, signaling the Marines’ commitment to remaining globally responsive, lethal, and resilient in the face of ...

The US Air Force has begun modifying a Boeing 747 that was donated to the US by Qatar over the summer, an Air Force spokesperson said on Monday. The plane will be used for “executive airlift support,” ...

In physics, we have a bunch of constants that are used in models to explain how the world works. These are fixed numbers that we plug into equations along with our variables. For example, the ...

It's fun to think about the fundamental physical constants. These are special values used in our models of the physical universe. They include things like the speed of light, the gravitational ...