A ball of mass 2.0 kg is acted on by two forces, 
and 
.The acceleration vector of the mass is (in m/s2)
Definitions:
Social Norms
Rules for behavior within a society.
Cross-cultural Differences
Average variations based on country or world region.
Sex Differences
Average differences between males and females.
Psychological Science
The study of mind, brain, and behavior through the use of scientific methods and principles.
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