It is important to remember that the distance (d) is the perpendicular distance from the pivot to the line of action of the force (see diagram). A force of 15 N is applied to a door handle, 12 cm from ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Zoltan Fodor, Professor of Physics, Penn State When ...

Zoltan Fodor receives funding from DFG, BMBF. When the results of an experiment don’t match predictions made by the best theory of the day, something is off. Fifteen years ago, physicists at ...

The most powerful formula in physics starts with a slender S, the symbol for a sort of sum known as an integral. Further along comes a second S, representing a quantity known as action. Together, ...