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 ...

Force is a vector quantity because it has both ... Let's write this down. ELLIE: The equation to calculate resultant force is: resultant force equals mass, multiplied by acceleration, which ...

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 ...