Which constraint on Viking rope-bridges limited troop deployments?

💡 Explanation

Synchronized marching induced destructive resonance because the frequency approached the bridge's natural frequency, therefore, collapse was possible if troops marched in step, rather than if troops crossed randomly.

• Which outcome occurs as early fire arrows using oxidized gunpowder lacked proper flight stabilization?
• Which consequence occurred when early astronomers miscalculated the movement of celestial objects in epicycles?
• Which risk escalated atop Early Dynastic ziggurats of Mesopotamia when subjected to seasonal temperature variations?
• Which constraint limited the precision of pietra dura inlay patterns in Mughal-era structures?
• For 9th-century Arabic water clocks, which process allowed consistent flow rates despite varying water reservoir level?
• Water contamination risks increased when 18th-century ships relied upon which preservation mechanism?