A Worker Pulls Horizontally on a Rope That Is Attached

question 8

Multiple Choice

A worker pulls horizontally on a rope that is attached to a 10-kg crate resting on a rough floor.The coefficients of static and kinetic friction are 0.5 and 0.3,respectively.The worker pulls with a force of 40 N.The frictional force exerted by the surface is

• A)30 N
• B)50 N
• C)10 N
• D)100 N
• E)40 N

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Definitions:

Ex-Slave

A person who was formerly enslaved, especially in the context of American history prior to the abolition of slavery in 1865.

Black Abolitionists

Black Abolitionists were African American leaders and activists who played a significant role in the movement to abolish slavery in the United States.

Social Position

The rank or status of an individual within the hierarchy of society, often determined by factors such as occupation, income, education, and family background.

Slave-Labor System

An economic system that relies on the forced labor of enslaved individuals, historically used in the Americas for agricultural and other labor-intensive activities.