Year 1 Mechanics- Chapter 8: Modelling in Mechanics

1. ... is the magnitude of the displacement vector (8)
5. If an object is being pulled along by a string, the force acting on the object is called the ... in the string (7)
6. The .. (or gravitational force) of an object acts vertically downwards (6)
8. A ... quantity has magnitude only (6)
9. A ... is a quantity which has both magnitude and direction (6)
10. ... is the upward force on a body that allows it to float or rise when submerged in a liquid (8)

2. ... opposes motion (3, 10)
3. ... is the magnitude of the velocity vector (5)
4. The ... is a force which opposes the motion between two rough surfaces (8)
7. The ... is the force which acts perpendicular to a surface when an object is in contact with the surface (6, 8)

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