GCSE; WJEC; Newton’s Laws – WJEC Velocity-time graph. In 1687, Isaac Newton created three laws of motion to describe the relationship between a body and the forces acting upon it, and how the ...

Velocity is a vector quantity which requires a value, unit and direction, for example, 49 \(m\,s^{-1}\) to the left. Speed-time graphs can be used to represent motions involving speed and uniform ...