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

Find out how to calculate resultant forces acting on an object. Motion and speed Find out more about the difference between motion and speed and how to use the speed equation. Representing ...

Two forces can be added together to find a resultant force. In the diagram of a toy trailer below, when two children pull on the handle, one with a force of 3 newtons (N) to the left and one with ...