Question

which of the following defines traction?
a) science of using liquids to perform work.
b) the ability of the tires to supply friction.
c) force pushing the piston against the brake fluid.
d) the resistance of two objects moving against each other.

Explanation:

• Traction refers to the grip or friction between the tires and the road surface.
• Option A is about hydraulics (using liquids to do work).
• Option C is related to brake - system mechanics (force on piston and brake fluid).
• Option D is the general definition of friction (not specifically traction).

Answer:

B. The ability of the tires to supply friction.