Matakuliah
Tahun
: D0164/ PERANCANGAN ELEMEN MESIN
: 2006
Pertemuan 3
Pembebanan Dan Tegangan
1
Soal- Bahan Diskusi
KERJAKAN SOAL-SOAL BERIKUT DALAM KELOMPOK
Problem Assignment (determinate) Stress/Strain 1
1. A 3/4 inch diameter steel cable hangs vertically and supports
a 750 pound ball. Determine the stress in the cable. (1700 psi)
2. Find the stress in a 1.5 inch square cast iron rod that has a
tensile force of 15,000 pounds applied to it. (6667 psi)
3. A concrete post has a 20 inch diameter. It supports a
compressive load of 8.4 tons. Determine the bearing stress of
the post in pounds per square inch. (53.5 psi)
4. A rectangular concrete column is 1.5 feet by 2.5 feet. It
supports a load of 72,000 pounds. Determine the bearing stress
of the post. (133 psi)
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