Save Ans A robot pushes a 20-kg box on the horizontal surface as part of the moving job, the force is 35 N to the left shown. The box does not move. The coefficients of friction between the floor and box are us = 0.75 and uk = 0.40. What is the magnitude of the friction force on the box, in Newtons? Useg = 10 m/s?. Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. Inl
Save Ans A robot pushes a 20-kg box on the horizontal surface as part of the moving job, the force is 35 N to the left shown. The box does not move. The coefficients of friction between the floor and box are us = 0.75 and uk = 0.40. What is the magnitude of the friction force on the box, in Newtons? Useg = 10 m/s?. Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. Inl
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Transcribed Image Text:A robot pushes a 20-kg box on the horizontal surface as part of the moving job, the force is 35 N to
the left shown. The box does not move. The coefficients of friction between the floor and box are µs =
0.75 and uk = 0.40. What is the magnitude of the friction force on the box, in Newtons? Use g = 10
m/s?.
Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not
include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the
question statement.
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