Maximum acceleration when pulling a block with friction. This video explains how friction limits acceleration, how to apply Newton’s laws correctly, and how to determine the maximum possible ...

In this video, we explain the capstan equation and how friction affects a rope or string wrapped around a surface. You’ll learn where the equation comes from, what each term means, and how it’s ...

Childbirth depends not just on hormones, but on the uterus’s ability to sense physical force. Scientists found that pressure ...