A 2-m long concrete traffic barrier is used to provide safety for workers, pedestrians, and motorists during highway construction. The concrete has 0.024 N/cm³ specific weight. The interface between the barrier and pavement has static and kinetic coefficients of friction of 0.45 and 0.4, respectively, and h = 45 cm. Determine the force P that will cause motion of the barrier.
A 2-m long concrete traffic barrier is used to provide safety for workers, pedestrians, and motorists during highway construction. The concrete has 0.024 N/cm³ specific weight. The interface between the barrier and pavement has static and kinetic coefficients of friction of 0.45 and 0.4, respectively, and h = 45 cm. Determine the force P that will cause motion of the barrier.
Question
Transcribed Image Text:Q4 .
A 2-m long concrete traffic barrier is used to provide safety for workers,
pedestrians, and motorists during highway construction. The concrete
has 0.024 N/cm³ specific weight. The interface between the barrier and
pavement has static and kinetic coefficients of friction of 0.45 and 0.4,
respectively, and h = 45 cm. Determine the force P that will cause motion
of the barrier.
60 cm
60 cm
3 @ 18 cm
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