An 80-Kg Man Is One Fourth of the Way Up $\degree$

question 58

Multiple Choice

An 80-kg man is one fourth of the way up a 10-m ladder that is resting against a smooth,frictionless wall.If the ladder has a mass of 20 kg and it makes an angle of 60 $\degree$ with the ground,find the force of friction of the ground on the foot of the ladder.

• A)7.8 x 10² N
• B)2.0 x 10² N
• C)50 N
• D)1.7 x 10² N

---

Definitions:

Biochemical Abnormalities

Refers to unusual levels or concentrations of substances in the body that may indicate disease or a genetic disorder.

Cultural Pressures

The influence exerted by society or culture on individuals to conform to certain behaviors, norms, or values.

Alfred Kinsey

An American biologist and sexologist who founded the Kinsey Institute and is known for his research on human sexuality.

Sexual Behavior

Actions relating to how individuals or groups express their sexuality, an area of interest in psychology, biology, and sociology due to its complexity and influence on society and personal identity.