Although these restrictions sound severe, the Bernoulli equation is very useful, partly because it is very simple to use and ... and therefore the average pressure over the top surface is less than ...

For example, when you apply a force to push a door open. Vector quantities have both a magnitude and a direction. Vector quantities are represented using arrows. The larger the arrow the greater ...

The physical quantities they measure fall into two categories: scalars and vectors. Scalar and vector quantities are treated differently in calculations. Motion - Edexcel The movement of objects ...