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A block is at rest on the incline shown
in the figure. The coefficients of static and
kinetic friction are μ s = 0.81 and μk = 0.69,
respectively.
The acceleration of gravity is 9.8 m/s².

19 kg
μ
37°

What is the frictional force acting on the
19 kg mass?
Answer in units of N.


Sagot :