Vector diagrams are used to resolve (break down) a single force into two forces acting at right angles to each other. Free body diagrams A free body diagram models the forces acting on an object.

A force is a push or a pull that acts on an object. There are many kinds of force. Find out more with BBC Bitesize. For students between the ages of 11 and 14.

Northrop Grumman‘s (NYSE: NOC) innovation systems business, formerly Orbital ATK, and Space Vector have landed spots under a potential seven-year, $424M contract for suborbital launch services ...