Final answer:
When an engine fails, the climb performance of a vehicle is significantly affected. The amount of climb performance lost depends on various factors such as the weight of the vehicle, the power output of the engine, and the overall efficiency of the engine. In general, when an engine fails, the vehicle's ability to climb steep grades or inclines will be greatly reduced or even non-existent.
Step-by-step explanation:
When an engine fails, the climb performance of a vehicle is significantly affected. The amount of climb performance lost depends on various factors such as the weight of the vehicle, the power output of the engine, and the overall efficiency of the engine. In general, when an engine fails, the vehicle's ability to climb steep grades or inclines will be greatly reduced or even non-existent.
For example, let's consider a car climbing a gentle incline. It is reasonable for a car to have a power output of about 28 kW (or 37 hp) to climb this incline. However, if the engine fails, the car would lose its ability to climb the incline altogether.
Therefore, the loss of climb performance when an engine fails depends on the specific circumstances and capabilities of the vehicle.