8.2 - Factors Affecting Rolling Resistance
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Practice Questions
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What is rolling resistance?
💡 Hint: Think about how wheels interact with different surfaces.
Name one factor that affects rolling resistance.
💡 Hint: Consider the characteristics of the surface.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is rolling resistance primarily influenced by?
💡 Hint: Think about different surfaces encountered in construction.
True or False: Rolling resistance is the same on soft and hard surfaces.
💡 Hint: Recall the examples of surface types discussed.
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Challenge Problems
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A construction vehicle with a gross weight of 40,000 kg moves on a mixed surface with rolling resistance factors of 50 kg per ton and sinks 5 centimeters into the surface. Calculate the total tractive effort required.
💡 Hint: Ensure you separately calculate rolling resistance and penetration resistance.
Discuss how reducing rolling resistance can affect overall project efficiency.
💡 Hint: Consider both direct and indirect impacts on budgeting and scheduling.
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