Robotics & Control

Basic

Payload Holding Torque

Torque a joint must hold to support a payload at reach L.

Formula

\tau = m g L

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Variables

τTorque (N·m)

mPayload mass (kg)

gGravity 9.81

LReach (m)

Example

m=2 kg, L=0.5 m: τ ≈ 9.8 N·m

Did You Know?

A robot arm's rated payload always drops as reach increases — leverage works against the motors.

robotics payload torque

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