Under Which of the Following Conditions Can a Ladder Standing

question 17

Multiple Choice

Under which of the following conditions can a ladder standing on a frictionless horizontal floor and leaning against a rough vertical wall be in equilibrium?

• A)The normal force exerted by the floor on the ladder equals the normal force the wall exerts on the ladder.
• B)The weight of the ladder is equal in magnitude to the frictional force the wall exerts on the ladder.
• C)A ladder in this situation cannot be in equilibrium.
• D)The normal force exerted by the floor on the ladder equals the weight of the ladder.
• E)The normal force exerted by the floor on the ladder equals the frictional force the wall exerts on the ladder.

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Definitions:

Gabriel's Rebellion

An unsuccessful slave revolt planned by Gabriel Prosser in 1800 in Richmond, Virginia, aiming to gain freedom for African-American slaves, but was foiled before it could be executed.

White Supervision

A social order predicated on the control, oversight, and guidance by white individuals over other racial groups, especially in historical contexts.

Alien and Sedition Acts

A series of laws passed by the U.S. Congress in 1798 that included powers to deport foreigners as well as making it harder for new immigrants to vote and making it a crime to publish "false, scandalous, and malicious writing" against the government or its officials.

Virginia and Kentucky Resolutions

Political statements drafted in 1798 and 1799, in which the Kentucky and Virginia legislatures took the position that the federal Alien and Sedition Acts were unconstitutional.