A massless wire is a hypothetical wire that has no mass, allowing it to transmit force without adding any additional weight or resistance to the system.
Related terms
Tension: The pulling force transmitted through a string, rope, or other flexible connector.
Newton's Third Law: States that for every action, there is an equal and opposite reaction.
Weightlessness: The condition experienced by objects in freefall where they appear to have no weight due to the absence of support forces.