Mechanical comprehension · Difficulty 2
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.
Which term matches this description: a force that opposes relative motion between contacting surfaces?
- torque
- work
- gear ratio
- friction
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.