Red Seal Automotive Service Technician Practice Exam

In automotive mechanics, torque is best described as what?

1. Mass times velocity

2. Rotational force

3. Linear acceleration

4. Static friction

The correct answer is: Rotational force

Torque is best described as rotational force because it specifically refers to a force that causes an object to rotate around an axis. In the context of automotive mechanics, torque is crucial for various tasks, such as tightening bolts, where the force applied at a distance from the pivot point creates a rotational movement. The unit of torque is typically measured in Newton-meters (Nm) or foot-pounds (ft-lbs), reflecting the relationship between the force applied and the length of the lever arm. In an automotive context, understanding torque is essential; it influences engine performance, affects acceleration, and ensures components are properly secured to prevent mechanical failures. Therefore, recognizing torque as a rotational force helps technicians evaluate and apply the necessary forces in different mechanical situations, ensuring vehicle safety and performance.