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A 4.0kg brick is sliding on a surface. The coefficient of kinetic friction between the surfaces is 0.25. What is the size of the force of friction?

a. ON b. 1 N

c. 10 N

d. 4 N

Respuesta :

angrykai23

Answer:

Choice C. 10N

Step-by-step explanation:

[tex]F_{k} =U_{k} *F_{N}\\F_{k} =.25*[(4kg*10m/s2)] : [40N][/tex]

[tex]F_{k} =10N[/tex]

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