A Girl Is Using a Rope to Pull a Box $\degree$

question 57

Multiple Choice

A girl is using a rope to pull a box that weighs 300 N across a level surface with constant velocity.The rope makes an angle of 30 $\degree$ above the horizontal,and the tension in the rope is 100 N.What is the normal force of the floor on the box?

• A)300 N
• B)86 N
• C)50 N
• D)250 N

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Definitions:

Aptitude

A natural ability to excel in a certain activity or field, often assessed through tests for educational and occupational placement.

Assessment

The set of procedures for gathering information about an individual’s psychological state, sometimes leading to a diagnosis.

Sternberg

Robert Sternberg, a psychologist known for his work on intelligence, creativity, wisdom, thinking styles, and love.

Intelligence

refers to the ability to learn from experience, adapt to new situations, understand and handle abstract concepts, and use knowledge to manipulate one's environment.