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3 cards from this section. Quick, good the night before a test.
What is rolling resistance and how is it calculated?
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?
Use the formula for rolling resistance.
What is the total rolling resistance for a vehicle weighing 50 tons with a rolling resistance of 28 kg/ton?
Don't forget the basic multiplication!
True or False: Penetration resistance decreases when the tire sinks deeper into the surface.
Consider what happens when a tire sinks more!
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.
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.
Think of how steep hills can change the machine’s required capability.
6 more questions in this section. Enroll free to practise them all.
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