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When would an anti-lock braking system start to work?*

A Just as the wheels are about to lock

The anti-lock braking system has sensors that detect when the wheels are about to lock. It releases the brakes momentarily to allow the wheels to revolve and grip, then automatically reapplies them. This cycle is repeated several times a second to maximise braking performance.



2 years ago

I love its graphics


2 years ago

This app helps me learn whilst being free. I can learn my weaknesses and aim to pass at higher score


2 years ago

Helping my daughter with the theory side of the test. Only wish we’d found it earlier on! Even I’m learning/getting reminded of what things mean again!

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