# An 84 kg skier glides down a hill.  The coefficient of kinetic friction μk  = 0.15. The angle of incline is 30 degrees . a. Make a force diagram to calculate the Normal force (FN) from the hill. b. What is the value of the frictional force opposing the skier's slide down the hill? c. Determine the component of the gravitational force that is parallel to the hill.  d. Then calculate the net force (Fnet) and the acceleration of the skier.

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An 84 kg skier glides down a hill.  The coefficient of kinetic friction μk  = 0.15. The angle of incline is 30 degrees .

a. Make a force diagram to calculate the Normal force (FN) from the hill.

b. What is the value of the frictional force opposing the skier's slide down the hill?

c. Determine the component of the gravitational force that is parallel to the hill.

d. Then calculate the net force (Fnet) and the acceleration of the skier.

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Step 1

(a) Draw a free body diagram showing all the forces acting on the skier

Step 2

write the expression for normal force

Step 3

Substitute the...

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### Friction 