Push- To exert a force on something usually with one's hand.
Pull- To exert a force on something typically by taking hold of it.
Grip- To take and keep firm hold of something.
Gravity- A force pulling down on the center of the Earth
Friction-The resistance that one surface or object encounters when moving over another.
Electrical Force- Two positive charges will repel, as will two negative charges
Buoyancy- The ability or tendency to float in water.
Tension/Elastic- The state of being stretched tight.