A Box Is Pushed Eastward Across a Rough Horizontal Floor

question 49

Multiple Choice

A box is pushed eastward across a rough horizontal floor by a force acting parallel to the floor. A force providing an impulse directed westward on the body is

• A) gravity.
• B) the applied force.
• C) friction.
• D) normal reaction force of floor upward on body.
• E) a fictitious force.

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Definitions:

Telepathy

The supposed communication of thoughts or ideas between individuals by means other than the known senses.

Precognition

The alleged psychic ability to see or predict future events before they actually happen, lacking scientific support.

Psychokinesis

The alleged psychic ability to move or manipulate objects without physical interaction.

Context Effects

The influence of environmental factors on one's perception, cognition, or behavior in a specific situation.