(a) Explanation The skier is moving with constant velocity; hence the net force will be zero. Thus, force due to kinetic friction will be equal to the weight of the skier. Write the expression for force due to kinetic friction. F k = W = m g sin θ (I) Here, m is the mass of the skier, g is the acceleration due to gravity, and θ is the angle inclined with the horizontal. Conclusion: Substitute, 85 kg for m , 9.8 m / s 2 for g , and 11 ° for θ in equation (I) to find the force of kinetic friction. F k = ( 85 kg ) ( 9 (b) To determine The coefficient of kinetic friction between the skis and snow.

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ISBN: 9781260486834

Author: GIAMBATTISTA

Publisher: MCG

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Chapter 2, Problem 77P

(a)

To determine

The force of kinetic friction acting on the skier.

(b)

To determine

The coefficient of kinetic friction between the skis and snow.

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Chapter 2, Problem 76P

Chapter 2, Problem 78P

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