1. Give me a fulcrum and I will move the earth. I think many people know this famous saying! What we are talking about is torque, torque = force * moment arm, that is, the relationship between force and moment arm. The torque of the engine is actually the torque. When the engine force (power) remains unchanged, the moment arm of the first gear is the longest, so the torque at this time is the largest!

2. The maximum power often reflects the maximum speed of the vehicle and is used to describe the dynamic performance of the vehicle.

The greater the power, the faster it runs. Maximum power is generally expressed in horsepower (PS) or kilowatts (kw). 1 horsepower is equal to 0.735 kilowatts

3. Torque refers to the car's acceleration performance, climbing ability and ability to pass obstacles! "Torque in physics is the size of the moment, which is equal to the product of force and moment arm. The international unit is Newton-meter Nm...". Okay, we know that torque is simply force. Only strong force can push the vehicle forward.

In order to better illustrate this problem, let me give a simple example: if we want to unscrew the screws on the wheel when changing a tire, it is impossible for ordinary people to do it with just the strength of our hands. The solution is to step on the short wrench with your foot or just use the long wrench. In fact, this is a very simple principle. It is nothing more than the relationship between force and moment arm learned in junior high school. There are many such examples. In short, if the applied force remains unchanged and the only way to increase the moment is to increase the moment arm.