1. Rolling Resistance Calculation

Try these first

1. 1.

   Convert 40,000 kg into tons.

   Hint

   Remember to divide by 1,000.

2. 2.

   Calculate the rolling resistance for a vehicle weighing 20 tons with a rolling resistance of 30 kg/ton.

   Hint

   Multiply the weight by the rolling resistance.

3. 3.

   What is the formula for calculating rolling resistance?

   • Weight in tons * Rolling resistance per ton
   • Weight in kg / 1,000
   • Weight of tire pressure

   Hint

   Think about how weight changes in terms of tonnage.

4. 4.

   True or False: Grade resistance increases as the slope of a hill increases.

   • True
   • False

   Hint

   Consider how gravity affects your movement uphill.

5. 5.

   A tractor with a gross weight of 20 tons faces a rolling resistance of 50 kg/ton and climbs a 3% slope. Calculate the total tractive effort required.

   Hint

   Remember to calculate each resistance component and sum them.

6. 6.

   If a vehicle weighs 10 tons and sinks 7 cm into the surface with a rolling resistance of 70 kg/ton, is the total resistance more than 1300 kg?

   Hint

   Breaking down into smaller components will help clarify the total!