A push or a pull is a vector quantity because it has magnitude and:

1. Forces are represented by arrows for a reason. 2. A push or pull has both magnitude and direction, therefore it is a vector quantity. 3. It can also vary considerably in each regard. 4. Earth exerts a huge pull on a planet but only a tiny downward pull on a flea. _Source: OpenStax College Physics for AP(R) Courses 2e (CC BY 4.0), Ch 4 'Dynamics: Force and Newton's Laws of Motion', sections 4.1-4.8_