A 15,000-N Car on a Hydraulic Lift Rests on a Cylinder

question 30

Multiple Choice

A 15,000-N car on a hydraulic lift rests on a cylinder with a piston of radius 0.20 m.If a connecting cylinder with a piston of 0.050-m radius is driven by compressed air,what force must be applied to this smaller piston in order to lift the car?

• A) 600 N
• B) 940 N
• C) 3000 N
• D) 15,000 N

Examine the effects of part-time employment on adolescent academic achievement and social behavior.

Analyze the changes in adolescents' attitudes towards parental authority across different stages of adolescence.

Recognize the influence of peer groups and social dynamics on academic achievement and social behaviors in adolescents.

Assess the relationship between media consumption, including violent video games, and adolescent behavior.

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Definitions:

Principles of Justice

Fundamental ethical guidelines that aim to ensure fairness, equity, and rights in society and the legal system.

Social Inequalities

The existence of unequal opportunities or treatment for different societal groups based on class, race, gender, age, or ethnicity.

Rawls

A philosopher known for his theory of justice which argues for the creation of a society where the least advantaged are as well off as possible.

Principles of Social Justice

Foundational guidelines aimed at ensuring equitable treatment, opportunities, and outcomes for all members of society, often addressing issues of inequality and discrimination.