A 2000-kg (19,600N) elevator with broken cables in a test rig is falling at 9.00 m/s...

 

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A 2000-kg (19,600N) elevator with broken cables in a test rig is falling at 9.00 m/s when it contacts a cushioning spring at the bottom of the shaft. The spring is intended to stop the elevator, compressing 2.50 m as it does so. During the motion a safety clamp applies a constant 18,000-N frictional force to the elevator. What is the necessary force constant k for the spring? A 2000-kg (19,600N) elevator with broken cables in a test rig is falling at 9.00 m/s when it contacts a cushioning spring at the bottom of the shaft. The spring is intended to stop the elevator, compressing 2.50 m as it does so. During the motion a safety clamp applies a constant 18,000-N frictional force to the elevator. What is the necessary force constant k for the spring?

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Lets analyze the situation step by step Initial Conditions Mass of the elevator m 2000 kg Accelerati... View the full answer