Question

which of the following is true about the relationship between the brake system and friction? a) brake systems are designed to accommodate friction b) friction must be applied consistently in all driving conditions c) if brakes become too hot they could lose effectiveness d) all of the above.

Explanation:

• Option A: Brake systems rely on friction (e.g., between brake pads and rotors/drums) to slow or stop a vehicle, so they are designed to accommodate friction.
• Option B: In all driving conditions (dry, wet, icy), consistent friction application (through proper brake - system functioning) is crucial for reliable braking.
• Option C: When brakes overheat (e.g., due to continuous hard braking), the brake material can degrade, and the friction characteristics can change, leading to loss of effectiveness (a phenomenon called brake fade).

Since all of the statements A, B, and C are correct.

Answer:

D. All of the above