Three Boxes Rest Side-By-Side on a Smooth,horizontal Floor

question 69

Multiple Choice

Three boxes rest side-by-side on a smooth,horizontal floor.Their masses are 5.0 kg,3.0 kg,and 2.0 kg,with the 3.0-kg mass in the center.A force of 50 N pushes on the 5.0-kg box,which pushes against the other two boxes.What magnitude force does the 5.0-kg box exert on the 3.0-kg box?

• A)0 N
• B)10 N
• C)25 N
• D)40 N
• E)50 N

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Definitions:

Outgroup Analysis

A method in phylogenetics used to help identify the evolutionary relationships between species by comparing characteristics with those of an external group.

Derived Characters

Attributes in organisms that are passed down from a common ancestor.

Organisms

Living entities that can carry out life processes independently or in a colony, such as animals, plants, and bacteria.

Phylogeny

The evolutionary history and relationship of an organism or group of organisms.