1. Magnitude of the force: The larger the force, the larger the moment. This is intuitive - a stronger force will cause a greater rotational effect.
2. Perpendicular distance from the axis of rotation: This is the distance between the line of action of the force and the axis of rotation. The greater this distance, the larger the moment. Think of pushing a door open - you get the most leverage by pushing far from the hinges.
Formula for moment of force:
The moment of force is calculated by multiplying the force by the perpendicular distance:
Moment of Force = Force x Perpendicular Distance
Example:
If a force of 10 Newtons is applied at a perpendicular distance of 0.5 meters from the axis of rotation, the moment of force would be:
Moment of Force = 10 N x 0.5 m = 5 Nm