Question

How is traction and the direction of travel related?

(a) Traction is the slip in the direction of travel

(b) Traction is the force in the direction of travel

(c) Traction is equal to the direction of travel

(d) Traction is inversely proportional to the direction of travel

I had been asked this question in an internship interview.

My question is taken from Traction and Traction Theory topic in section Farm Tractor of Farm Machinery

Answer 1

Correct answer is (b) Traction is the force in the direction of travel

Easiest explanation: Traction is the force in the direction of travel, developed by the traction device medium and transferred to the vehicle. The power developed in engine, finally goes to wheel or tracks, which move the tractor with or without an attached load.