The Vector Sum of Three Co-Planar Forces

question 88

Multiple Choice

The vector sum of three co-planar forces

• A) must be zero.
• B) must be perpendicular to one of the three.
• C) must be parallel to one of the three.
• D) must be perpendicular to the plane.
• E) may have any direction in the plane.

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Definitions:

Mildred Parten

A researcher known for her work on the social development and play stages of preschool children.

Personal Play

Individual engagement in activities for fun, enjoyment, or leisure, without the competitive or social aspects of group play.

Associative Play

A stage of play where children play together, sharing materials and interacting, but their play is not yet cooperative or organized towards a common goal.

Develop Physical Skills

The process of improving physical abilities such as strength, balance, and coordination through practice and training.