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4 cards from this section. Quick, good the night before a test.
Convert 50,000 kg to tons.
Recall that 1 ton equals 1000 kg.
What is the rolling resistance for a machine weighing 50 tons with a rolling resistance of 30 kg per ton?
Multiply the weight in tons by the rolling resistance kg per ton.
What is the rolling resistance for a machine weighing 50 tons with a rolling resistance of 28 kg/ton?
Convert tons to kg for calculation.
True or False: Usable power is the total power before accounting for resistance.
Think about how power is used in moving machinery.
A 50-ton truck encounters a rolling resistance of 25 kg per ton and a 8% grade leading to additional grade resistance. Calculate the total resistance faced by the truck.
Break down the problem into rolling and grade resistance calculations.
A tractor weighs 12 tons with a rolling resistance of 50 kg per ton. On a flat surface, it operates at an available power of 6000 kg. If it encounters a 3% slope, how much power can it still use for work?
First compute rolling resistance, then grade resistance, and finally subtract from available power.
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