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Gram-Force Centimeter [gf·cm]

Gram-force centimeter (gf·cm) is a unit of torque that measures the rotational force produced when a force of one gram-force is applied perpendicularly at a distance of one centimeter from the axis of rotation. One gram-force represents the force exerted by a mass of one gram under standard gravity. This unit is particularly useful in precision engineering, watchmaking, micro-mechanics, and scientific experiments, where very small forces and torques must be measured accurately. A higher gf·cm value indicates greater rotational force and more resistance to angular acceleration, while a lower value represents less torque. Engineers and designers use this unit to calculate torque, optimize performance, and ensure stability in small-scale components such as miniature motors, gears, sensors, and instruments. By combining mass-based force with rotational distance, gram-force centimeter provides a practical and precise way to analyze and manage torque in delicate or highly detailed mechanical and experimental systems.

Ton-Force (Long) Meter [tonf·m]

Ton-force (long) meter (tonf·m) is a unit of torque that measures rotational force when one long ton-force is applied perpendicularly at a distance of one meter from the axis of rotation. A long ton-force, used mainly in the United Kingdom and some Commonwealth countries, equals 2,240 pounds-force. This unit is particularly useful in heavy engineering, construction, and industrial applications where large forces are involved, such as cranes, large machinery, turbines, and structural components. A higher tonf·m value indicates a stronger rotational force and greater ability to generate torque or angular acceleration, while a lower value signifies less force. Engineers and designers use this unit to calculate torque requirements, optimize mechanical performance, and ensure system stability and safety under high loads. By linking substantial force to rotational distance, ton-force meter provides a practical and accurate measure for analyzing, designing, and managing rotational dynamics in large-scale mechanical and industrial systems.