Interaction Partners

question 81

Multiple Choice

Interaction partners

• A) are equal in magnitude and opposite in direction and act on the same object.
• B) are equal in magnitude and opposite in direction and act on different objects.
• C) appear in a free-body diagram for a given object.
• D) always involve gravitational force as one partner.
• E) act in the same direction on the same object.

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Definitions:

Talus

A bone in the ankle that sits between the heel bone and the two bones of the lower leg, allowing for ankle movement.

Palatine Bones

Bones that form part of the hard palate of the mouth as well as parts of the nasal cavity and eye orbits.

Maxillae

The pair of large facial bones that form the upper jaw and parts of the orbits of the eyes, necessary for chewing and supporting the face.

Mandible

The lower jawbone in vertebrates, which holds the lower teeth in place and forms the structure necessary for chewing.