-In the Figure,a Ladder of Weight 200 N and Length

question 15

Multiple Choice

-In the figure,a ladder of weight 200 N and length 10 meters leans against a smooth wall (no friction on wall) .A firefighter of weight 600 N climbs a distance x up the ladder.The coefficient of friction between the ladder and the floor is 0.5.What is the maximum value of x if the ladder is not to slip?

• A)3.93 m
• B)5.00 m
• C)6.04 m
• D)6.28 m
• E)8.44 m

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Definitions:

Rubble

Broken bits and pieces of stone, bricks, or concrete, typically used as a foundation material in construction or left as debris from destruction.

Marble Incrustation

A decorative technique that involves embedding pieces of marble into a surface, creating patterns or images.

Verticality

Architectural and visual arts principle emphasizing height and upward direction, aiming to create a sense of grandeur or to elevate the subject matter.

Barrel Vaults

Architectural elements consisting of a continuous surface or arch extending in a straight line, resembling a barrel's shape.