A ballerina weighs 103 lbs and is up on her toes with only 10.0 cm² of her slippers in contact with the floor. What pressure is she exerting on the floor?

Name: A ballerina weighs 103 lbs and is up on her toes with only 10.0 cm 2 of her slippers in contact with the floor. What pressure is she exerting on the floor?
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Question

Quizplus · Accepted Answer

Pressure = Force / AreaForce = Weight = 103 lbs * 4.45 N/lb = 458 NArea = 10.0 cm² * (1 m/100 cm)² = 1.00 * 10^-3 m²Pressure = 458 N / 1.00 * 10^-3 m² = 4.59 * 10⁵ Pa

A Ballerina Weighs 103 Lbs and Is Up on Her