Q: A plastic bar of diameter d = 32 mm is compressed in
A plastic bar of diameter d = 32 mm is compressed in a testing device by a force P = 190 N that is applied as shown in the figure. (a) Determine the normal and shear stresses acting on all faces of st...
See AnswerQ: A plastic bar of rectangular cross section (b = 1.
A plastic bar of rectangular cross section (b = 1.5 in. and h = 3 in.) fits snugly between rigid supports at room temperature (68°F) but with no initial stress (see figure). When the temper...
See AnswerQ: A copper bar of rectangular cross section (b = 18 mm
A copper bar of rectangular cross section (b = 18 mm and h = 40 mm) is held snugly (but without any initial stress) between rigid supports (see figure). The allowable stresses on the inclined plane pq...
See AnswerQ: A circular brass bar with a diameter d is member AC in
A circular brass bar with a diameter d is member AC in truss ABC that has load P = 5000 lb applied at joint C. Bar AC is composed of two segments brazed together on a plane pq, making an angle Î...
See AnswerQ: A tension member constructed of an L4 × 4 × 1
A tension member constructed of an L4 × 4 × 1 2 inch angle section is subjected to a tensile load P = 12.5 kips that acts through the point where the mid-lines of the legs...
See AnswerQ: Two boards are joined by gluing along a scarf joint, as
Two boards are joined by gluing along a scarf joint, as shown in the figure. For purposes of cutting and gluing, the angle a between the plane of the joint and the faces of the boards must be between...
See AnswerQ: Acting on the sides of a stress element cut from a bar
Acting on the sides of a stress element cut from a bar in uniaxial stress are tensile stresses of 10,000 psi and 5000 psi, as shown in the figure. (a) Determine the angle u and the shear stress Ï...
See AnswerQ: A prismatic bar is subjected to an axial force that produces a
A prismatic bar is subjected to an axial force that produces a tensile stress σU = 65 MPa and a shear stress τU = 23 MPa on a certain inclined plane (see figure). Determine the s...
See AnswerQ: The normal stress on plane pq of a prismatic bar in tension
The normal stress on plane pq of a prismatic bar in tension (see figure) is found to be 7500 psi. On plane rs, which makes an angle β = 30° with plane pq, the stress is found to...
See AnswerQ: A tension member is to be constructed of two pieces of plastic
A tension member is to be constructed of two pieces of plastic glued along plane pq (see figure). For purposes of cutting and gluing, the angle u must be between 25° and 45°. The...
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