P5b - Vectors and Equations of Motion

Across

• 1. If two forces are acting at right angles on the same object, you can work out the _________ force using Pythagoras' Thereom. (9)
• 2. How fast an object is moving at a particular time. Direction is not important when measuring this. It is a scalar quantity. (5)
• 6. E.g. if two cars are travelling along a road, their motion can be described in terms of their ________ speed. (8)
• 7. How fast an object is moving in a particular direction. This is a vector quantity. (8)
• 8. Quantities that have a size only e.g. mass, energy and speed. (6)