Hookes Law, Extension directly proportional to force, up to LOP, Limit of Proportionality, Point beyond which extension is no longer directly proportional to force, Extension, Stretched length - Original length = , Elastic Potential Energy, How energy is stored in a spring, , Force vs extension graph for a spring, , Force vs extension graph for a rubber band, , Force vs extension graph for a metal wire, Area under the graph, How do you find energy stored from a force vs extension graph, Force , Equals change in momentum / Time, Roughly 1N, A mass of 100g provides what size force, Weight, mass x gravitational field strength =, Rubber, What is an elastic band made of, Extension when loading is less than unloading, For a rubber band, how does extension when loading compare to unloading, Extension when loading is the same as unloading, For a spring, how does extension when loading compare to unloading, Set square (the triangle thing), What piece of equipment could you use to ensure a ruler is vertical, 9.8 N/Kg, What is the value of the gravitational field strenght on earth?, Moment = , Force x perpendicular distance to pivot, Principle of moments, For equilibrium, clockwise moments about a point = anticlockwise moments , N m, Units of moment, Increase the moment, Increasing force and increasing distance to pivot both..., Increase, Seat belts, air bags and crumple zones ___impact time, Unbalanced, Is this balanced or unbalanced, Balanced, Is this balanced / unbalanced, Turning force, Another phrase for moment, Centre of gravity, Point where a bodys weight appears to act, Stable, If the centre of gravity lies inside the base..., Unstable, If the centre of gravity lies outside the base..., Rate of change of momentum, Equals force, Conserved if no external forces act, Momentum is...., P, Letter for momentum.

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