Unit One Definitions

1. The results from resolving a single vector into a horizontal and vertical parts. (10, 2, 1, 6)
4. Two forces that are equal and opposite to each other but not in the same straight line. (6)
6. A physical quantity representing the size of part of a surface. Always measured in metres ^2 (4)
7. A physical quantity that has both magnitude (size) and direction. For example velocity (6)
9. A push or pull on an object, measured in newtons (N) (5)
10. The product of force and the distance moved in the direction of the force, it can also be considered as the energy converted from one form into another, measured in Joules. W = Fd (4)

2. An area of a vechile designed to increase the distance over which the vehicle decelerates and so reduce the average force acting. (7, 4)
3. The work an object can do by virtue of its speed, measured in joules. KE=1/2mv^2 (7, 6)
4. Two or more forces that have the effect of reducing the volume of the object on which they are acting, or reducing the length of a spring. (11, 5)
5. The object will return to its original shape when the deforming force is removed. (7, 11)

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