# Turning moments

 Another word for a turning force is called its moment Force An action that stretches/ compresses an object, or cause it to slow down, speed up or change its direction of motion. Pivot/ fulcrum The point at which an object turns Handle The place from which a force is exerted by your hands How do I calculate the moment? MOMENT = FORCE X PERPENDICULAR DISTANCE FROM PIVOT moments are measured in… Newton metres, Nm Force is measured in… Newtons, N Perpendicular distance from pivot is measured in… metres, m How do I increase the moment? You can increase the moment you exert- or produce the same moment with a smaller force- by moving the force as far away from the pivot as possible. Give examples of how moments are increased. A door ( handle placed as far away from the hinges as possible) Nutcrackers (long handles so that a smaller force will crack the nut) Bottle opener (a long top will decrease the amount of force needed) For a seesaw to be in equilibrium (balanced) the anticlockwise moment must be equal to the clockwise moment. This is called the PRINCIPLE OF MOMENTS. How do I work out the principle of moments? FORCE ON LEFT X PERPENDICULAR DISTANCE FROM PIVOT = FORCE ON RIGHT X PERPENDICULAR DISTANCE FROM PIVOT Authortaracullen ID320695 Card SetTurning moments Descriptionscience Updated2016-06-02T20:54:03Z Show Answers