A Worker Pulls a 200-N Packing Crate at Constant Velocity $\degree$

question 26

Multiple Choice

A worker pulls a 200-N packing crate at constant velocity across a rough floor by exerting a force F = 55.0 N at an angle of 35.0 $\degree$ above the horizontal.What is the coefficient of kinetic friction of the floor?

• A)0.133
• B)0.267
• C)0.400
• D)0.200

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Definitions:

Gluteal Region

A region of the body located at the posterior aspect of the pelvic girdle, comprising the muscles and tissues around the buttocks.

Buttock

The buttock refers to the posterior round portion of the human pelvis, comprised of muscular and adipose tissue, which supports the body when sitting.

Proximal

describes a position in the body that is closer to the trunk or to the point of attachment.

Trunk

The main part of the human body not including the head, neck, and limbs; also the main structural part of a tree.