1. A solid circular rod, 750 mm long and 30 mm diameter, is subjected to an axial force of 80 kN. The compression of the rod is 1.35 mm, and its diameter becomes 30.015 mm. Determine the modulus of elasticity (MPa) of the material. Assume the material does not yield.
1. A solid circular rod, 750 mm long and 30 mm diameter, is subjected to an axial force of 80 kN. The compression of the rod is 1.35 mm, and its diameter becomes 30.015 mm. Determine the modulus of elasticity (MPa) of the material. Assume the material does not yield.
2. A truck is moving along 20 m. Span of beam. The front axle load is 8 kN, the middle load is spaced at 3 m from the front and 6 m from the rear. Determine the max. Moment produced by the load.
3. A helical spring is made by wrapping steel wire 20 mm in diameter around a forming cylinder 150 mm in diameter. Compute number of turns required to permit an elongation of 132 mm without exceeding a shearing stress of 184.8 MPa. Use G = 83 GPa.
Step by step
Solved in 3 steps with 2 images
