Forces, Density and Pressure

Model answer

The force multiplied by the perpendicular distance from the point to the force's line of action.

Model answer

Mass per unit volume.

Model answer

Normal force per unit area.

Model answer

The point at which the whole weight of the object may be considered to act.

Model answer

For an object in equilibrium, the total clockwise moment equals the total anticlockwise moment about the same point.