Why does the car roll back in Subject 2?

[VonRiley]

The reason for the car rolling back is releasing the handbrake when the clutch contact point is not sufficiently engaged (the clutch is lifted too low) and without applying throttle (the vehicle's idle speed is too low to initiate movement). Below is an introduction to Subject 2: 1. Overview: Subject 2, also known as the small road test, is part of the motor vehicle driver's license examination, specifically the field driving skills test. The passing criteria are scored out of 100, with evaluation standards set for failing, deducting 20 points, deducting 10 points, and deducting 5 points. 2. Teaching objectives of Subject 2: Master the basic driving operation essentials, possess fundamental vehicle control abilities, proficiently grasp basic methods of field and road driving, have the capability to reasonably use vehicle control components and correctly control the vehicle's spatial position, and accurately control the vehicle's driving position, speed, and route.