Curved+outward

  • 131Bicycle brake — Animation of a single pivot side pull calliper brake for the rear wheel of a steel framed road bike. A bicycle brake is used to slow down or stop a bicycle. There have been various types of brake used throughout history, and several are still in… …

    Wikipedia

  • 132Bucket argument — Isaac Newton s rotating bucket argument (also known as Newton s bucket ) was designed to demonstrate that true rotational motion cannot be defined as the relative rotation of the body with respect to the immediately surrounding bodies. It is one… …

    Wikipedia