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Which system varies the torque between the wheels actively?

  • A.An open differential fitted with a brake based traction control system, which applies the brake to the spinning wheel
  • B.A torque vectoring differential
  • C.A limited slip differential, which biases the torque towards the wheel with grip whenever slip begins to occur
  • D.A locking differential

Answer: B

Torque vectoring uses clutches or an overdriving gear set to send more torque to the outer wheel in a corner, generating a yaw moment that improves turn in. It goes beyond limiting slip to shaping the handling deliberately. The brake based approach achieves a cruder version. Naming the cost of a choice alongside its benefit is what turns a fact into a design decision. A symptom that appears under one condition and not another is what narrows the diagnosis quickly.

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