A 400-N block is dragged along a horizonatl surface by an applied force 
as shown. The coefficient of kinetic friction is uk = 0.4 and the block moves at constant velocity. The magnitude of 
is: 
Definitions:
Infection Signs
Observable indicators of infection in the body, which may include redness, heat, swelling, pain, and loss of function.
Temperature Instability
The condition of having body temperature that fluctuates beyond the normal range, often found in newborns.
Gender Roles
Social and behavioral norms that are considered appropriate for individuals based on their perceived or actual gender.
Gender Identity
The sense of being male or female, which most children acquire by the time they are 3 years old.
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