Beam ab has a negligible mass and thickness, and supports the 200-kg uniform block. It is pinned at a and rests on the top of a post, having a mass of 20 kg and negligible thickness. (figure 1).

What kind of interaction is depicted in the image? a. intraspecific, direct b. intraspecific, indirect c. interspecific, direct d. interspecific, indirect e. invasion

Which statement best describes gravity? it is the force that repels only very small objects. it is the force that acts between objects with zero mass. it is the force that sometimes acts only on very large objects. it is the force that acts between any two objects in the universe.

The tendency to seek out individuals who represent the same level of physical attractiveness as ourselves is explained as