A Force of 15

question 7

Multiple Choice

A force of 15.2N directed along the positive x-axis combines with a second force to produce a total force vector of magnitude 17.9N.What is the magnitude of the second vector?

• A) 2.7N
• B) 9.5N
• C) 23.5N
• D) Not enough information is given.

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Definitions:

Teeth

Hard, calcified structures in the mouths of many animals, including humans, used for biting, tearing, and grinding food.

Homo Erectus

An extinct species of humanoids that lived approximately 1.9 million to 110,000 years ago, known for upright posture and significant brain growth compared to earlier hominins.

Genus

A rank in the biological classification system, higher than species and below family, used to group species that share common characteristics.

Hominin

Any of a group of extinct and living humans. Also called hominid.