Civil Engineering - Applied Mechanics - Discussion

44. 

On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts

[A]. downwards at its upper end
[B]. upwards at its upper end
[C]. perpendicular to the wall at its upper end
[D]. zero at its upper end
[E]. none of these.

Answer: Option D

Explanation:

No answer description available for this question.

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