Jump start physics problem with a mass on a spring. This video explains the setup, key assumptions, and the step-by-step physics needed to solve for motion, energy, and forces in a spring–mass system.

In this video, we model a catenary curve using a mass-spring system, showing how a chain-like shape can emerge from discrete masses connected by springs. We connect the simulation to real physics, ...

President Donald Trump signed an executive order Monday classifying "illicit fentanyl and its core precursor chemicals" as weapons of mass destruction — though it was not immediately clear what ...

President Trump signed an executive order Monday that classifies fentanyl as a weapon of mass destruction. The order comes after several months of controversial strikes on alleged drug-carrying boats ...

Trump issued an executive order designating fentanyl as a weapon of mass destruction, citing its extreme lethality and widespread overdose deaths. The order directs federal agencies to intensify ...

(AP) - President Donald Trump has signed an executive order classifying fentanyl as a ‘weapon of mass destruction.’ Trump signed the order in the Oval Office on Monday while flanked by Secretary of ...