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SITUATION. Personal Space Person of mass 'm' walks on a plank resting on rough surfaces A and B. Given: m = 120 kg Coefficient of friction at A = 0.40 L= 4 m Coefficient of friction at B = 0.20 x= 30° L. At what distance 'x' will the plank start to slide? 2.33m 1.69m 1.62m 2.29m What is the friction force at A, in N? O 135.6 O 98.6 256.7 186.7

SITUATION. Personal Space Person of mass 'm' walks on a plank resting on rough surfaces A and B. Given: m = 120 kg Coefficient of friction at A = 0.40 L= 4 m Coefficient of friction at B = 0.20 x= 30° L. At what distance 'x' will the plank start to slide? 2.33m 1.69m 1.62m 2.29m What is the friction force at A, in N? O 135.6 O 98.6 256.7 186.7

Structural Analysis
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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SITUATION. Personal Space Person of mass 'm' walks on a plank resting on rough surfaces A and B. Given: m = 120 kg Coefficient of friction at A = 0.40 L= 4 m Coefficient of friction at B = 0.20 x= 30° L. At what distance 'x' will the plank start to slide? 2.33m 1.69m 1.62m 2.29m What is the friction force at A, in N? O 135.6 O 98.6 256.7 186.7
Transcribed Image Text:SITUATION. Personal Space Person of mass 'm' walks on a plank resting on rough surfaces A and B. Given: m = 120 kg Coefficient of friction at A = 0.40 L= 4 m Coefficient of friction at B = 0.20 x= 30° L. At what distance 'x' will the plank start to slide? 2.33m 1.69m 1.62m 2.29m What is the friction force at A, in N? O 135.6 O 98.6 256.7 186.7
Find the vertical force at B, in N? O 493N O 684N 235N 348N
Transcribed Image Text:Find the vertical force at B, in N? O 493N O 684N 235N 348N
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