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For a ladder placed on a frictionless ground and leaning against a vertical wall, in which direction does the frictional force act at the ladder's upper contact point?

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Subject
Strength of Materialscivil-engineering-mcqs › strength-of-materials
Published
15 Jan 2019
Last updated
28 May 2026

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Explanation

Since the ladder rests on a smooth (frictionless) ground, friction can only act at the point of contact with the wall. The frictional force at the upper end acts upward to prevent the ladder from sliding down. Hence, the frictional force is directed upward at the ladder's upper end.

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