The horizontal cross-section of the cast-iron standard of a vertical drilling machine has the form shown. The line of thrust of the drill passes through P. Find the greatest value the thrust may have without the tensile stress exceeding 15 MN/m2. What will be the stress along the face AB? (Cambridge) ANSWER: 17.68 kN; 11.8 MN/m2 compressive.

Elements Of Electromagnetics
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The horizontal cross-section of the cast-iron standard of a vertical drilling machine has the form shown. The line of thrust of the drill passes through P. Find the greatest value the thrust may have without the tensile stress exceeding 15 MN/m2. What will be the stress along the face AB? (Cambridge)

ANSWER: 17.68 kN; 11.8 MN/m2 compressive.

+ 19.0cm
HA
-36 cm-
1.60 cm
1.90cm
1.60 cm
17.5cm
Transcribed Image Text:+ 19.0cm HA -36 cm- 1.60 cm 1.90cm 1.60 cm 17.5cm
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