A weight, with an unknown mass, falls through a distance of 10 millimeters (mm) onto a collar attached to the bottom end of a vertical bar. The bar is 3 meters (m) long and has a cross-sectional area of 600 square millimeters (mm²). The impact causes the bar to instantly stretch by 2 mm. The Young's modulus of the bar material is 200,000 MPa. Determine: 1. The weight of the falling object. 2. The stress experienced by the bar due to the impact.
A weight, with an unknown mass, falls through a distance of 10 millimeters (mm) onto a collar attached to the bottom end of a vertical bar. The bar is 3 meters (m) long and has a cross-sectional area of 600 square millimeters (mm²). The impact causes the bar to instantly stretch by 2 mm. The Young's modulus of the bar material is 200,000 MPa. Determine: 1. The weight of the falling object. 2. The stress experienced by the bar due to the impact.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A weight, with an unknown mass, falls through a distance of 10 millimeters (mm) onto a
collar attached to the bottom end of a vertical bar. The bar is 3 meters (m) long and has a
cross-sectional area of 600 square millimeters (mm2). The impact causes the bar to
instantly stretch by 2 mm. The Young's modulus of the bar material is 200,000 MPa.
Determine:
1. The weight of the falling object.
2. The stress experienced by the bar due to the impact.
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