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A block hangs from the end of bar AB that is 7.50 meters long and connected...
In the figure, a thin horizontal bar AB of negligible weight and length L = 3.2...
In the figure, a thin horizontal bar AB of negligible weight and length L = 3.2 m is hinged to a vertical wall at A and supported at B by a thin wire BC that makes an angle 0 = 44° with the horizontal. A block of weight W = 170 N can be moved anywhere along the bar; its position is defined by the distance x = 0.887 m from the wall to its center of mass. Find (a)...
A small sphere of charge q1 = 0.864 µC hangs from the end of a spring...
A small sphere of charge q1 = 0.864 µC hangs from the end of a spring as
in Figure a. When another small sphere of charge
q2 = -0.66
µC is held beneath the first sphere as in Figure b, the spring
stretches by d = 3.27
cm from its original length and reaches a new equilibrium position
with a separation between the charges of r = 4.80 cm. What is the force constant of the
spring?
N/m
A 3 m rigid bar AB is supported with a vertical translational spring at A and a pin at B The bar is subjected to a linearly varying distributed load with maximum intensity g Calculate the ver...
A 3 m rigid bar AB is supported with a vertical translational spring at A and a pin at B The bar is subjected to a linearly varying distributed load with maximum intensity g Calculate the vertical deformation of the spring if the spring constant is 700 kN/m. (ans: 21.43 mm) 2. A steel cable with a nominal diameter of 25 mm is used in a construction yard to lift a bridge section weighing 38 kN. The cable has an...
Exercise 11 A squarish object is suspended from the end of a long, uniform bar tilted...
Exercise 11 A squarish object is suspended from the end of a long, uniform bar tilted at an angle 0 above the horizontal. The bar's lower end is anchored to a wall, and the upper end is attached to a horizontal cable anchored to the same wall. All parts of this system are in equilibrium. cable wall object (a) Create a complete FBD for the bar. The FBD should not show the hanging object, the wall, or the cable, just...
A rigid beam BCD is supported on a roller support at C (4m from B) and has two bars AB and DE attached at each end
A rigid beam BCD is supported on a roller support at C (4m from B) and has two bars AB and DE attached at each end. The bars can carry either tension or compressive forces. The rigid beam carries a UDL of I kN/m across BC and a point load of P at D as shown in the figure above. The length of the two bars is 3000 mm. The elastic modulus of both bars is 200 GPa and the...
2. A bar on a hinge starts from rest and rotates with an angular acceleration α...
2. A bar on a hinge starts from rest and rotates with an angular acceleration α (10 + 61), where α is in rad/s" and 1 is in seconds. Determine the angle in radians through which the bar turns in the first 4.00 s. 4. A dentist's drll starts from rest. After 3.20 s of constant an- gular acceleration, it turns at a rate of 2.51 × 104 rev/min. (a) Find the drill's angular acceleration. (b) Determine the angle (in...
In the figure, a thin horizontal bar AB of negligible weight and length L = 3.2 m is hinged to a vertical wall at A and supported at B by a thin wire BC that makes an angle 0 = 44° with the horizontal. A block of weight W = 170 N can be moved anywhere along the bar; its position is defined by the distance x = 0.887 m from the wall to its center of mass. Find (a)...
A small sphere of charge q1 = 0.864 µC hangs from the end of a spring as
in Figure a. When another small sphere of charge
q2 = -0.66
µC is held beneath the first sphere as in Figure b, the spring
stretches by d = 3.27
cm from its original length and reaches a new equilibrium position
with a separation between the charges of r = 4.80 cm. What is the force constant of the
spring?
N/m
A 3 m rigid bar AB is supported with a vertical translational spring at A and a pin at B The bar is subjected to a linearly varying distributed load with maximum intensity g Calculate the vertical deformation of the spring if the spring constant is 700 kN/m. (ans: 21.43 mm) 2. A steel cable with a nominal diameter of 25 mm is used in a construction yard to lift a bridge section weighing 38 kN. The cable has an...
Exercise 11 A squarish object is suspended from the end of a long, uniform bar tilted at an angle 0 above the horizontal. The bar's lower end is anchored to a wall, and the upper end is attached to a horizontal cable anchored to the same wall. All parts of this system are in equilibrium. cable wall object (a) Create a complete FBD for the bar. The FBD should not show the hanging object, the wall, or the cable, just...
2. A bar on a hinge starts from rest and rotates with an angular acceleration α (10 + 61), where α is in rad/s" and 1 is in seconds. Determine the angle in radians through which the bar turns in the first 4.00 s. 4. A dentist's drll starts from rest. After 3.20 s of constant an- gular acceleration, it turns at a rate of 2.51 × 104 rev/min. (a) Find the drill's angular acceleration. (b) Determine the angle (in...
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