A 400-N Block Is Dragged Along a Horizontal Surface by an Applied

question 6

Multiple Choice

A 400-N block is dragged along a horizontal surface by an applied force as shown. The coefficient of kinetic friction is u_k = 0.4 and the block moves at constant velocity. The magnitude of is:

• A) 100 N
• B) 150 N
• C) 200 N
• D) 290 N
• E) 400 N

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Definitions:

Pituitary Gland

The gland that secretes growth hormone, prolactin, antidiuretic hormone, and other hormones.

Androgens

A group of hormones that play a role in male traits and reproductive activity; present in both males and females.

Ovaries

The female reproductive organs responsible for producing eggs (ova) and sex hormones, such as estrogen and progesterone.

Pituitary Gland

is a small, pea-sized gland located at the base of the brain, often termed the "master gland" because it controls the activities of other endocrine glands, influencing growth, metabolism, and reproductive functions.