Mechanical comprehension · Difficulty 1
Try this ASVAB-style question.
Choose your answer before opening the explanation. This original practice item is for preparation and does not reproduce an official test question.
Brake pads slow a rotor by rubbing against it. Which concept is being demonstrated?
- gear ratio
- friction
- torque
- work
Reveal answer and explanation
friction
friction is a force that opposes relative motion between contacting surfaces. Brake pads slow a rotor by rubbing against it.