1.3 - Penetration Resistance Calculation
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Practice Questions
Test your understanding with targeted questions
What is rolling resistance and how is it calculated?
💡 Hint: Think about how weight affects the vehicle's movement!
If a vehicle has a gross weight of 40 tons and rolling resistance is 20 kg/ton, what is the total rolling resistance?
💡 Hint: Use the formula for rolling resistance.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the total rolling resistance for a vehicle weighing 50 tons with a rolling resistance of 28 kg/ton?
💡 Hint: Don't forget the basic multiplication!
True or False: Penetration resistance decreases when the tire sinks deeper into the surface.
💡 Hint: Consider what happens when a tire sinks more!
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A vehicle with a gross weight of 30 tons experiences a rolling resistance of 45 kg/ton on flat terrain and must travel a 5% slope. Calculate the total resistance.
💡 Hint: Calculate rolling and grade resistance separately then add them.
Explain why knowing grade resistance is important when selecting machinery for a job site with various slopes.
💡 Hint: Think of how steep hills can change the machine’s required capability.
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