When a 25-Kg Crate Is Pushed Across a Frictionless Horizontal

question 28

Multiple Choice

When a 25-kg crate is pushed across a frictionless horizontal floor with a force of 200 N, directed 20° below the horizontal, the magnitude of the normal force of the floor on the crate is:

• A)25 N
• B)68 N
• C)180 N
• D)250 N
• E)310 N

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Definitions:

Priority Problem

An issue identified as having significant importance or urgency, requiring immediate attention or action to prevent or address serious outcomes.

Bradypnea

A slower than normal breathing rate, which might indicate a respiratory or brain condition, requiring further medical examination.

Swollen Nodes

Enlarged lymph nodes often indicating an infection or sometimes, more serious conditions such as cancer.