A 60 kg skier is in a tuck moving straight down a 30° slope. Air resistance pushes backwards on the skierwith a force of 10 N (applied opposite the direction of the skiers motion and parallel to the 30° slope).The coefficient of dynamic friction between the skis and the snow is 0.08. What is the resultant forceacting on the skier?

Question
Asked Oct 20, 2019
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A 60 kg skier is in a tuck moving straight down a 30° slope. Air resistance pushes backwards on the skier
with a force of 10 N (applied opposite the direction of the skiers motion and parallel to the 30° slope).
The coefficient of dynamic friction between the skis and the snow is 0.08. What is the resultant force
acting on the skier?
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Expert Answer

Step 1

Given,

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m 60Kg e= 30° = 0.08 F 10N

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Step 2

Schematic diagram of forces acting on the system are shown below,

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mgsin F a mgcose

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Step 3

By breaking force component in perpe...

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N mg cos N (60)(9.81) cos (30° N 509.7 N

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