Automobile Engineering in ME
When the front wheels of a vehicle are locked during braking, then

Rear tyres skid across the road surface, and the vehicle spins around
Driver loses control over the steering, and the vehicle continues moving in its current direction
Stopping distance becomes extremely long
Front tyres skid across the road surface, and the vehicle spins around

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Automobile Engineering in ME
The function of anti-lock brake system (ABS) is that is

Reduces the stopping distance
Prevents nose dives during braking and thereby postpones locking of the wheels
Maintains directional control during braking by preventing the wheels from locking
Minimizes the brake fade

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