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The foot of a uniform ladder is on a rou...

The foot of a uniform ladder is on a rough horizontal ground and the top rests against a smooth vertical wall. The weight of the ladder is 400 units. A man weighing 800 units stands on the ladder one quarter of its length from the bottom. If the inclination of the ladder to the horizontal is `30^(@)`, the reaction at the wall is

A

0

B

`1200sqrt(3)`

C

`800sqrt(3)`

D

`400sqrt(3)`

Text Solution

Verified by Experts

The correct Answer is:
D
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