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Rationales
Included
, Scalar quantities Only have magnitude
Vector quantities Have magnitude and direction (represented with arrows)
Force Push or pull that acts on an object due to an interaction with another object
Contact force Objects are physically touching
Examples of contact forces Friction, air resistance, tension and normal contact force
Non-contact force The objects are physically separated
Examples of non-contact forces Gravitational, electrostatic and magnetic force
Weight Force acting on an object due to force. It depends on the gravitational field strength
Unit for weight Newtons (N)
Unit for mass Kilogram (kg)
Unit for gravitational field strength Newtons per kilogram (N/kg)
Resultant force An overall force on an object that takes into account all the forces acting on an
object in different directions