A spring balance measures the weight of the object. When the object is immersed in the liquid, the spring balance measures a different, smaller weight. Buoyant forces push upward.
Air or water pressure
The outward force caused by contained water or air. Fpress
The force between two surfaces that work against motion. Ff
The force between air and a surface that works against motion.
The force perpendicular to an object's surface that results in support.
A force caused by a string, spring or rope resulting in stretching or pulling.
Two positive charges will repel, as will two negatives charges. A positive and a negative charge will attract. Observed in static electricity; lighting; used in copy machines. Frictionis caused by electric forces.
Gravity is felt elsewhere besides earth. All heavenly bodies feel some force of attraction towards other planets, stars, etc. In fact, all objects with a high mass apply some force of gravity to surrounding object.