ANSWERS: 1
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When the clutch pedal of a car or truck is pressed, the throw-out bearing begins to move toward the flywheel. The bearing's movement pushes the levers or fingers of the pressure plate against its spring force, which induces separation between the pressure plate and clutch disc, thus interrupting power flow.
Source:
Edmunds.com: When Fact Meets Friction: the Basics of Clutch Operation
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