A 30 m steel tape weighing 14.23 N is of standard length under a pull of 7 kg, supported for full length. The tape was used in measuring a line 789.25 m long on smooth level ground under a steady pull of 12 kg. Assume E = 2 × 106 kg/cm² and the unit weight y of the steel to be 7.9 × 10-3 kg/cm³. a) Determine the cross-sectional area of the tape. Hint: y = W /V b) Determine the correction due to pull for one tape length. c) Determine the total correction due to pull. d) Determine the corrected distance.
A 30 m steel tape weighing 14.23 N is of standard length under a pull of 7 kg, supported for full length. The tape was used in measuring a line 789.25 m long on smooth level ground under a steady pull of 12 kg. Assume E = 2 × 106 kg/cm² and the unit weight y of the steel to be 7.9 × 10-3 kg/cm³. a) Determine the cross-sectional area of the tape. Hint: y = W /V b) Determine the correction due to pull for one tape length. c) Determine the total correction due to pull. d) Determine the corrected distance.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A 30 m steel tape weighing 14.23 N is of standard length under a pull of 7 kg, supported for full length. The tape was used in measuring a line 789.25 m long on smooth level ground under a steady pull of 12 kg. Assume E=2*10^ 6 kg/cm^ 2 and the unit weight y of the steel to be 7.9*10^ -3 kg/cm^ 3 .
a) Determine the cross-sectional area of the tape. Hint: y = W/V
b) Determine the correction due to pull for one tape length.
c) Determine the total correction due to pull.
d) Determine the corrected distance.
Transcribed Image Text:A 30 m steel tape weighing 14.23 N is of standard length under a pull of 7 kg, supported for full
length. The tape was used in measuring a line 789.25 m long on smooth level ground under a steady pull
of 12 kg. Assume E = 2 × 106 kg/cm² and the unit weight y of the steel to be 7.9 × 10-3 kg/cm³.
a) Determine the cross-sectional area of the tape. Hint: y = W /V
b) Determine the correction due to pull for one tape length.
c) Determine the total correction due to pull.
d) Determine the corrected distance.
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