For neip with math SKIIIS, you may want to revie Resolving Vector Components Calculating Trigonometric Function Values up the ramp For general nroblem-solvina tins and strategies for this down the ramp Figure (< 1 of 1 Submit Part B 32.0 kg What is the magnitude f of the friction force on the upper box? Express your answer in newtons. 48,0 kg • View Available Hint(s) 2.50 m ? 4.75 m N 圖
For neip with math SKIIIS, you may want to revie Resolving Vector Components Calculating Trigonometric Function Values up the ramp For general nroblem-solvina tins and strategies for this down the ramp Figure (< 1 of 1 Submit Part B 32.0 kg What is the magnitude f of the friction force on the upper box? Express your answer in newtons. 48,0 kg • View Available Hint(s) 2.50 m ? 4.75 m N 圖
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Question
Transcribed Image Text:You are lowering two boxes, one on top of the other,
down the ramp shown in the figure (Figure 1) by pulling
on a rope parallel to the surface of the ramp. Both boxes
move together at a constant speed of 19.0 cm/s. The
coefficient of kinetic friction between the ramp and the
lower box is 0.446, and the coefficient of static friction
between the two boxes is 0.827.
Part A
You may want to review (Page)
What is the direction of the friction force on the upper box?
For help with math skills, you may want to review:
• View Available Hint(s)
Resolving Vector Components
Calculating Trigonometric Function Values
up the ramp
For general problem-solvina tins and strateaies for this
down the ramp
Figure
1 of 1
>
Submit
Part B
32.0
kg
What is the magnitude f of the friction force on the upper box?
Express your answer in newtons.
48.0
kg
• View Available Hint(s)
2.50
?
4.75 m
f =
N
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