Which term refers to rotational force?

• A. Caliper
• B. Torque
• C. Cylinder
• D. Lockout/Tagout

Answer: (B)

Rotational force is torque. It’s the turning effect a force has when applied at some distance from an axis or pivot. The farther from the axis you push, the greater the torque for the same amount of force, which is why a longer wrench makes it easier to turn a bolt. In formula terms, torque equals the lever arm length times the force applied (τ = r × F); units are typically newton-meters or pound-feet. Practically, torque explains why you can loosen a tight bolt by using a longer handle to increase leverage. The other terms don’t describe turning force: a caliper measures spacing or thickness, a cylinder converts pressure into linear motion, and lockout/tagout is a safety procedure to prevent unexpected energization.