Concept:Force is a push or pull that can change the state of motion of an object.
Mass is not a force; it measures the quantity of matter in a body.
Explanation:Options like tension, weight, and friction are all examples of force.
Tension is the pulling force transmitted through a string or rope.
Weight is the gravitational force acting on a body, given by
W=mg.
Friction is a contact force that opposes relative motion between surfaces.
Mass, on the other hand, is the amount of matter contained in an object.
Mass is a scalar quantity and is measured in kilograms (
kg).
Mass does not produce or describe a push or pull, so it is not a force.
Answer:A. Mass