Final answer:
The noun form of "forceful" is "force." Force is a vector quantity and is defined as a push or a pull with specific magnitude and direction. In diagrams, force is represented as a vector, and friction is classified as an external force.
Step-by-step explanation:
Nominalization of "Forceful"
The process of creating a noun from an adjective is known as nominalization. In the case of "forceful," the noun form is A) Force.
Nature of Force
Force is a physical quantity that is a vector quantity. This means that it has both magnitude and direction. It can be represented by vectors in physics.
Definition and Representation of Force
According to dynamics, force is defined as a push or a pull on an object, which has a specific magnitude and direction. In a free-body diagram, force is best represented as C) A vector.
Friction as a Type of Force
Friction is a type of force that acts in opposition to the relative motion of two objects in contact. It is considered an A) External force.