No. 3 pls A. 28.955B. 151.045°C. 30D. 150°A 3. Two men are just able to lift up a 300 kg weight with a crow bar when the fulcrum for this lever is 0.3 m from the weight andthe met: exerts their strengths at 0.9 and 1.5 eters, respectively, from the felcrum. Ifthe men interehange positions, they canraise a 340 kg weight. What force does each man exert?O 30 kg, 30 kgB. 40 kg, 20 kgC. 20 kg. 60 kgD. 30 kg, 40 kgREE Sen 2001/Sep. 2002b 4. A safe weighing 600lb is to be lowered at a constant speed down skids 8 ft long from a truck 4 ft high. If ihe cueficient ofshiding friction between safe and skid is 0.30, what will you do with the safe? (REE-Sep.2001)A. nothing13 hold backC. pesh dawrD. lift safetiow great a force paralle! to the plane is needed? (REE-Sep.2002)A. 140lbs.B. 142lbs.C. 146!bs.D.144lbs.

Answered: Image /qna-images/answer/bbff4d8a-7753-43f7-9fab-2200482a9cb0.jpg

a 3. Two men are just able to lift up a 300 kg weight with a crow bar when the fulcrum for this lever is 0.3 m from the weight and the met: exerts their strengths at 0.9 and 1.5 nieters, respectively, from the fielcrum. Ifthe men imterehange positions, théy can raise a 340 kg weight. What force does each man exert? O 30 kg, 30 kg B. 40 kg, 20 kg C. 20 kg. 60 kg D. 30 kg, 40 kg

a 3. Two men are just able to lift up a 300 kg weight with a crow bar when the fulcrum for this lever is 0.3 m from the weight and the met: exerts their strengths at 0.9 and 1.5 nieters, respectively, from the fielcrum. Ifthe men imterehange positions, théy can raise a 340 kg weight. What force does each man exert? O 30 kg, 30 kg B. 40 kg, 20 kg C. 20 kg. 60 kg D. 30 kg, 40 kg

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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