In which of the following situations will a moped's fuel consumption increase noticeably?

Question

DentroTest · Accepted Answer

The total mass of the vehicle directly affects the energy needed to move it. When the moped is overloaded, the engine has to make a much greater effort to overcome inertia and maintain speed, and fuel consumption rises. By contrast, switching off the engine during prolonged stops saves fuel, because it avoids unnecessary idling. As for the tires, it is insufficient pressure (underinflated wheels) that increases rolling resistance and raises consumption; having them heavily inflated reduces grip and wears the center of the tread, but does not make consumption shoot up.

In which of the following situations will a moped's fuel consumption increase noticeably?

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