A Girl Is Using a Rope to Pull a Box

question 36

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° above the horizontal,and the tension in the rope is 100 N.What is the normal force of the floor on the box?

• A)350 N
• B)200 N
• C)400 N
• D)250 N
• E)213 N

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Definitions:

Telepathy

The alleged exchange of information between individuals without utilizing any established human senses or physical interaction.

Light Wave's Amplitude

The height of a light wave, which determines the brightness or intensity of the light.

Brightness

The perception of how light or luminous an object appears to the human eye, influenced by the object's illumination and reflective properties.

Light Wave

A form of electromagnetic radiation visible to the human eye, capable of traveling through vacuum and exhibiting wave-particle duality.