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Applied Mathematics
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Topic Topic: A uniform plank AB of weight 100N and length 4m... Post ReplyNew Question
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System
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Joined: 26 June 2005
Posts: 918
Posted: 27 November 2005 at 12:28pm | IP Logged Quote System

QUIZ QUESTION #1920
A uniform plank AB of weight 100N and length 4m lies on a horizontal roof, perpendicular to the edge of the roof and overhanging by 1.5m. If a load of 200N is to be attached to the overhanging end A, what force must be applied at the opposite side B just to prevent the plank from overturning?
    A.   10 Newton
    B.   100 Newton
    C.   1000 Newton
 QUIZ QUESTION #1920 created by Tutor12199 on 27 November 2005 at 2:14am

Correct answer: B    Correct clicks: 56.86%  Wrong clicks: 43.14%
 
    A.   [19 clicks 18.63%] 
 
    B.   [58 clicks 56.86%] 
 
    C.   [25 clicks 24.51%] 
 
Please discuss this quiz question.
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