True or False: The power drive train of a robot can only be made of soft, flexible materials.

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Multiple Choice

True or False: The power drive train of a robot can only be made of soft, flexible materials.

Explanation:
The power drive train must transmit torque reliably while keeping its shape and alignment under load, which requires stiffness and durability. That’s why it’s usually built from rigid materials like steel, aluminum, and rigid polymers. Soft, flexible materials are great for compliant actuators and delicate interactions, but they don’t provide the wear resistance or precision needed for the drive train itself. There can be soft elements in other parts of the mechanism, but the drive train isn’t limited to soft materials. So the statement is not correct.

The power drive train must transmit torque reliably while keeping its shape and alignment under load, which requires stiffness and durability. That’s why it’s usually built from rigid materials like steel, aluminum, and rigid polymers. Soft, flexible materials are great for compliant actuators and delicate interactions, but they don’t provide the wear resistance or precision needed for the drive train itself. There can be soft elements in other parts of the mechanism, but the drive train isn’t limited to soft materials. So the statement is not correct.

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