Assertion: pulley's rope | /r/HasProperty | strong
Facets:
Source sentences:
text: Disadvantages - the pulley has to be securely anchored to support the mass being acted on, and the rope has to be strong and durable.
text: A rope and pulley system—that is, a block and tackle—is characterised by the use of a single continuous rope to transmit a tension force around one or more pulleys to lift or move a load—the rope may be a light line or a strong cable.