Final answer:
Force is needed to move objects. Mass and cooperation affect movement. A car moves due to its engine's force.
Explanation:
Force is required to move an object. In the case of the child trying to move the dog, the dog's mass and lack of cooperation make it difficult for the child to move the dog. On the other hand, a car can move because it has an engine that generates the necessary force to overcome friction and propel the car forward.
Learn more about Force and motion here:
https://brainly.com/question/41607511
