Answer:

Algebra is one of the broad areas of mathematics. Roughly speaking, algebra is the study of mathematical symbols and the rules for manipulating these symbols; it is a unifying thread of almost all of mathematics.

Answer:

Whenever there is an interaction between two objects, there is a force upon each of the objects. When the interaction ceases, the two objects no longer experience the force. Forces only exist as a result of an interaction.

Frictional Force: Gravitational Force

Normal Force: Magnetic Force

Tension Force: Electrical Force

Contact Forces: Action-at-a-Distance Forces

Step-by-step explanation:

18 march