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
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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PLEASE ANSWER 2ND AND 3RD QUESTION
![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4f14af46-20cd-42e4-a9c3-1c743e4135d1%2Fb87efd09-6767-42f9-a123-70beead44fd2%2Fzzrms9_processed.jpeg&w=3840&q=75)
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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4f14af46-20cd-42e4-a9c3-1c743e4135d1%2Fb87efd09-6767-42f9-a123-70beead44fd2%2Fgv8i1be_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Find the vertical force at B, in N?
O 493N
O 684N
235N
348N
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