Related Posts:
1.11 describe the effects of forces between bodies such as changes in speed, shape or direction1.20 describe the factors affecting vehicle stopping distance, including speed, mass, road… 1.21 describe the forces acting on falling objects (explain why falling objects reach a…1.24 describe elastic behaviour as the ability of a material to recover its original shape… 2.06 know the difference between mains electricity being alternating current (a.c.) and… 2.09 describe how current varies with voltage in wires, resistors, metal filament lamps and…