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Gears below drive, provide more engine power.

User Sprocket
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Final answer:

Gears below drive can provide more engine power by adjusting torque and speed through mechanical advantage. Transmission technologies like DCTs and CVTs optimize power and fuel efficiency.

Step-by-step explanation:

Gears below drive can provide more engine power by adjusting the torque and speed of the engine in relation to the load it is working against.

This concept is based on the principle of mechanical advantage, where gears with different sizes can transfer rotational power and increase or decrease torque and speed. In an automobile, the lower gears are designed to provide more power at lower speeds, allowing the engine to generate sufficient force to overcome resistance and climb steep hills or accelerate from a standstill.

On the other hand, higher gears are used for cruising at higher speeds with reduced engine power requirements. Transmission technologies such as dual clutch transmissions (DCTs) and continuously variable transmissions (CVTs) can further optimize engine power and fuel efficiency by enabling seamless and adaptive gear ratio changes based on driving conditions.

User Thibault
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