A 50-Kg Box Is Resting on a Horizontal Floor

question 91

Multiple Choice

A 50-kg box is resting on a horizontal floor. A force of 250 N directed at an angle of 30.0° below the horizontal is applied to the box. The coefficient of static friction between the box and the
Surface is 0.40, and the coefficient of kinetic friction is 0.30. What is the force of friction on the box?

• A) 220 N
• B) 620 N
• C) 250 N
• D) 200 N
• E) 32 N

---

Definitions:

Chromosomes

Structures within cells that contain DNA and carry genetic information, with humans typically having 23 pairs.

Lateralization

The propensity of particular cognitive functions or neural activities to be more pronounced in one hemisphere of the brain than in its counterpart.

Neurogenesis

The process by which new neurons are formed in the brain, contributing to brain development and plasticity.

Facial Expressions

Visual cues resulting from the movement of facial muscles, often conveying a person's emotional state or reactions.