On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts« Back to Previous Page

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.
Posted by Civil Engineer
Asked on August 11, 2016 1:27 pm
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D. zero at its upper end

Posted by Civil Engineer
Answered on August 11, 2016 1:27 pm
▲
0
▼

D. zero at its upper end

Posted by Civil Engineer
Answered on August 11, 2016 1:27 pm