The concrete barrier has a weight of 16,500 N. The coefficient of friction between the barrier and the pavement is μs = 0.40. What is the maximum force P that can be applied to the barrier before it starts moving? Consider all possibilities of motion. (show all possibilities in solution report)

the maximum force P that can be applied to the barrier before it starts moving is 6,600N

Explanation:

Step one :

Applying the equation

P=uR

Where P= force needed to overcome friction

u= coefficient of friction

R=limiting force

Step two :

Given

R=16,500N

u=0.4

Step three :

Substituting our values into the equation we have

P=0.4*16,500

P=6,600N

Hence the maximum force P that can be applied to the barrier before it starts moving is 6,600N

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