pulling power (?.)
- adduction
- affinity
- allurement
- attractance
- attraction
- attractiveness
- attractivity
- capillarity
- capillary attraction
- centripetal force
- draft
- drag
- draw
- drawing
- drayage
- extraction
- gravitation
- gravity
- haulage
- hauling
- heaving
- magnetism
- mutual attraction
- pull
- pulling
- sympathy
- towage
- towing
- traction
- tractive power
- tug
- tug-of-war
- tugging