A 120 N Traffic Light Is Located at the Midpoint

question 52

Multiple Choice

A 120 N traffic light is located at the midpoint of a cable between two poles. The cable makes an angle of 30° to the horizontal at each pole. What is the tension in the cable? Ignore the mass of the cable.

• A) 60.0 N
• B) 90.0 N
• C) 140 N
• D) 110 N
• E) 120 N

Acknowledge the impact of teratogens on prenatal development and childhood outcomes.

Understand the research methods used in developmental psychology and their application to studying prenatal and early childhood development.

Understand the impact of saturated fats and trans fatty acids on health.

Recognize the importance of certain vitamins and minerals in preventing health issues.

---

Definitions:

Variable Cost

Costs that change in proportion to the level of goods or services that a business produces.

Marginal Product

The additional output that is generated by employing one more unit of a specific factor of production while holding other factors constant.

Labor

Employing human mental and physical work in generating services and manufacturing goods.

Workers

Individuals engaged in any form of economic activity or labor, typically for the purpose of earning wages or salary.