A 50-Kg Mass Is Attached to the Ceiling of an Elevator

question 111

Multiple Choice

A 5.0-kg mass is attached to the ceiling of an elevator by a rope whose mass is negligible. What force does the mass exert on the rope when the elevator has an acceleration of 4.0 m/s² upward?

• A) 69 N downward
• B) 29 N downward
• C) 49 N downward
• D) 20 N downward
• E) 19 N downward

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