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A one metre long circular concrete beam, diameter 400mm, supports a 10kN load in the middle and is effectively pre- stressed by a force X to reduce the tensile stress to near zero. What is the force X to the nearest kilo-Newtons? X KN 1 m 10 kN 400 mm X KN

A one metre long circular concrete beam, diameter 400mm, supports a 10kN load in the middle and is effectively pre- stressed by a force X to reduce the tensile stress to near zero. What is the force X to the nearest kilo-Newtons? X KN 1 m 10 kN 400 mm X KN

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QUESTION 4 A one metre long circular concrete beam, diameter 400mm, supports a 10kN load in the middle and is effectively pre- stressed by a force X to reduce the tensile stress to near zero. What is the force X to the nearest kilo-Newtons? X KN 1 m 10 kN 400 mm X KN
Transcribed Image Text:QUESTION 4 A one metre long circular concrete beam, diameter 400mm, supports a 10kN load in the middle and is effectively pre- stressed by a force X to reduce the tensile stress to near zero. What is the force X to the nearest kilo-Newtons? X KN 1 m 10 kN 400 mm X KN
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