Equilibrium of rigid bodies
A uniform rod AB of length l and weight W is suspended from two cords AC and BC of equal length.Determine the angle Θ corresponding to the equilibrium position when a couple M is applied to the rod?
Homework Answers
on the magnitude of the couple at D does not eacet 4.50 A traffic-signal pole may...
on the magnitude of the couple at D does not eacet 4.50 A traffic-signal pole may be supported in the three ways shown; in part c, the tension in cable BC is known to be 1950 N. Determine the reactions for each type of support shown. 2.1 m 2.1 m 2.1 m, 900 N 900 N 900 N 1950 N 7.2 m 4000 N 4000 N 4000 N C. -3 m(a) Fig. P4.50 4.51 A uniform rod AB with a...
(1 point) A non-uniform bar of weight W = 47.5 N is suspended at rest in...
(1 point) A non-uniform bar of weight W = 47.5 N is suspended at rest in a horizontal position by two massless cords. The angle phi between cord 2 and the vertical is equal to 45.0°. The bar has a length L = 8.0 m and the distance of its center of gravity from the left-hand end of the bar is 4.3 m. What is the tension in cord 2? What is the angle theta between cord 1 and the...
PROBLEM 1.6 Two brass rods AB and BC, each of uniform diameter, will be brazed together...
PROBLEM 1.6 Two brass rods AB and BC, each of uniform diameter, will be brazed together at B to form a nonuniform rod of total length 100 m, which will be suspended from a support at A as shown. Knowing that the density of brass is 8470 kg/m, determine (a) the length of rod AB for which the maximum normal stress in ABC is minimum, (b) the corresponding value of the maximum normal stress. (l 15 mm 100 m
36. A uniform rod AB of length L and weight W is attached to two wires,...
36. A uniform rod AB of length L and weight W is attached to two wires, each of length b. The rod is released from rest when 0-0 and swings to the position 0-90°, at which time wire BD suddenly breaks. Determine the following: a) The tension in wire AC immediately before wire BD breaks. b) The tension in wire AC immediately after wire BD breaks.
Two rigid rods as shown, AB and BC are connected to a pivot (A) and initially...
Two rigid rods as shown, AB and BC are connected to a pivot (A)
and initially at rest as shown. Each rod has mass of 3 kg and
length L = 0.5 m. A force P as shown is then applied to rod BC at
some distance b from B (the pivot between bars A and B). Please
find the distance b where, when force P is applied, the two rods
(AB and BC) move together as if they formed...
A 3.5-kg slender rod AB and a 2-kg slender rod BC are connected by a pin at Band by the cord AC. The assembly can rota...
A 3.5-kg slender rod AB and a 2-kg slender rod BC are connected by a pin at Band by the cord AC. The assembly can rotate in a vertical plane under the combined effect of gravity and a couple M applied to rod BC. In the position shown, the angular velocity of the assembly is zero and the tension in cord AC is equal to 271 N. 400 mm 400 mm 300 mm A Problem 16.090.a - Rotation about a...
Two brass rods, AB and BC. Find (a) Length of rod AB for which the max. normal stress in ABC is...
Two brass rods AB and BC, each of uniform diameter, will bebrazed together at B to form a nonuniform rod of total length100 m which will be suspended from a support at A as shown.Knowing that the density of brass is 8470 kg/m3, determine (a) thelength of rod AB for which the maximum normal stress in ABC isminimum, (b) the corresponding value of the maximum normalstress.
A small Iab scale has a rigid L-shaped frame ABC consisting of a hori arm AB (length b 280 mm) and a vertical arm BC...
A small Iab scale has a rigid L-shaped frame ABC consisting of a hori arm AB (length b 280 mm) and a vertical arm BC (length c 250 pivoted at point B, as shown in Fig. 2-7a. The pivot is attached to th frame BCD, which stands on a laboratory pointer at C is controlled by a spring (stiffness 750 N/m the attached to a threaded rod. The position of the threaded rod is by turning the knurled nut The...
6 A metal advertising sign (weight w) is suspended from the end of a massless rod...
6 A metal advertising sign (weight w) is suspended from the end of a massless rod of length L. The rod is supported at one end by a hinge at point P and at the other end by a cable at an angle θ from the horizontal. Which of these forces is greatest A. the weight of the sign B. the tension in the cable C. the vertical force component exerted on the rod by hinge P D. two or...
Two brass rods AB and BC, each of uniform diameter, will be brazed together at B...
Two brass rods AB and BC, each of uniform diameter, will be
brazed together at B to form a nonuniform rod of total length 130m
which will be suspended from a support at A
Answer part A in m
Answer part B in MPa
on the magnitude of the couple at D does not eacet 4.50 A traffic-signal pole may be supported in the three ways shown; in part c, the tension in cable BC is known to be 1950 N. Determine the reactions for each type of support shown. 2.1 m 2.1 m 2.1 m, 900 N 900 N 900 N 1950 N 7.2 m 4000 N 4000 N 4000 N C. -3 m(a) Fig. P4.50 4.51 A uniform rod AB with a...
(1 point) A non-uniform bar of weight W = 47.5 N is suspended at rest in a horizontal position by two massless cords. The angle phi between cord 2 and the vertical is equal to 45.0°. The bar has a length L = 8.0 m and the distance of its center of gravity from the left-hand end of the bar is 4.3 m. What is the tension in cord 2? What is the angle theta between cord 1 and the...
PROBLEM 1.6 Two brass rods AB and BC, each of uniform diameter, will be brazed together at B to form a nonuniform rod of total length 100 m, which will be suspended from a support at A as shown. Knowing that the density of brass is 8470 kg/m, determine (a) the length of rod AB for which the maximum normal stress in ABC is minimum, (b) the corresponding value of the maximum normal stress. (l 15 mm 100 m
36. A uniform rod AB of length L and weight W is attached to two wires, each of length b. The rod is released from rest when 0-0 and swings to the position 0-90°, at which time wire BD suddenly breaks. Determine the following: a) The tension in wire AC immediately before wire BD breaks. b) The tension in wire AC immediately after wire BD breaks.
Two rigid rods as shown, AB and BC are connected to a pivot (A)
and initially at rest as shown. Each rod has mass of 3 kg and
length L = 0.5 m. A force P as shown is then applied to rod BC at
some distance b from B (the pivot between bars A and B). Please
find the distance b where, when force P is applied, the two rods
(AB and BC) move together as if they formed...
A 3.5-kg slender rod AB and a 2-kg slender rod BC are connected by a pin at Band by the cord AC. The assembly can rotate in a vertical plane under the combined effect of gravity and a couple M applied to rod BC. In the position shown, the angular velocity of the assembly is zero and the tension in cord AC is equal to 271 N. 400 mm 400 mm 300 mm A Problem 16.090.a - Rotation about a...
A small Iab scale has a rigid L-shaped frame ABC consisting of a hori arm AB (length b 280 mm) and a vertical arm BC (length c 250 pivoted at point B, as shown in Fig. 2-7a. The pivot is attached to th frame BCD, which stands on a laboratory pointer at C is controlled by a spring (stiffness 750 N/m the attached to a threaded rod. The position of the threaded rod is by turning the knurled nut The...
6 A metal advertising sign (weight w) is suspended from the end of a massless rod of length L. The rod is supported at one end by a hinge at point P and at the other end by a cable at an angle θ from the horizontal. Which of these forces is greatest A. the weight of the sign B. the tension in the cable C. the vertical force component exerted on the rod by hinge P D. two or...
Two brass rods AB and BC, each of uniform diameter, will be
brazed together at B to form a nonuniform rod of total length 130m
which will be suspended from a support at A
Answer part A in m
Answer part B in MPa
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