Mechanical Engineering. Mechanical Engineering questions and answers. The 6061-T6 aluminum bar is 1.8 m long and has a square cross section of 25 mm by 25 mm . The shear modulus of elasticity for the material is 26 GPa. a.) Determine the maximum shear stress in the bar. b.) Determine the rotation of one end relative to the other end.
Answer (1 of 2): The interesting thing about this question, for me, is that you dont need to have the formula memorized to answer it. Intuitively we can figure out that: the longer the wire, the higher will be its resistance; and that a thicker wire means a lower resistance. In other words, re
An 8-kg ball is swung in a horizontal circle by a cord of length 2 m. If the period is 0.5 s, the tension in the cord is approxima y ____. the temperature is 75.000C. What is the diameter of the hole at 250.00C? The coefficient of linear expansion of aluminum is 2.4000 10-5/C. A flexible cable 20 m long weighs 16 N and is
A steel bar 50 mm in diameter and 2 m long is surrounded by a shell of a cast iron 5 mm thick. Compute the load that will compress the combined bar a total of 0.8 mm in the length of 2 m. For steel, E = 200 GPa, and for cast iron, E = 100 GPa. Solution 233
Conveniently, it is half as long as the diameter of a circle. A diameter is just two radiuses drawn in opposing directions from the circles origin. For a circle, three lengths most commonly are applied: The radius defined above; The diameter the distance from edge to edge of a circle passing through its origin or center. Twice the
A metal rod 40.0000-cm long at 55.0 C is heated to 85.0 C. If the linear expansion coefficient for aluminum is 2.3 10-5/C, what is the change in the area of the plate as a result of the increase in temperature? Determine the change in the area of the circle if the temperature is increased to 625.0 C. The coefficient of linear
Sep 07, 2017.The aluminum block has a rectangular cross section and is subjected to an axial compressive force of 8 kip. If the 1.5-in. side changed its length to 1. in., determine Poisson ratio and the new length of the 2-in. side. Eal = 10(103 ) ksi. v = 0.33 h = 2. in. A 100-mm long rod has a diameter of 15 mm.
Aug 07, 2018.PROBLEM 2.3 An 18-m-long steel wire of 5-mm diameter is to be used in the manufacture of a prestressed concrete beam. PROBLEM 2.62. 640 kN. A 2-m length of an aluminum pipe of 240-mm outer
An aluminum wire is 0.850 m long and has a circular cross section of diameter 0.780 mm. Fixed at the top end, the wire supports a 1.20-kg object that swings in a horizontal circle. Determine the angular speed of the object required to produce a strain of 1.00 10-3.
A metal rod 40.0000-cm long at 55.0 C is heated to 85.0 C. If the linear expansion coefficient for aluminum is 2.3 10-5/C, what is the change in the area of the plate as a result of the increase in temperature? Determine the change in the area of the circle if the temperature is increased to 625.0 C. The coefficient of linear
A grocery cart with mass of 16kg is being pushed at constant speed up a 12 degrees ramp by a force of Fp which acts at an angle of 17 degrees below the horizontal. Find the work done by each of the forces (mg, Fn, Fp) on the cart if the ramp is 7.5m long. Fp= mg sin 2 / cos (1+2) Wmg =mgdcos112. Wnormal =FNdcos90.
Jul 25, 2016.The center bar is aluminum and 249.90 mm long. Compute the stress in the aluminum bar after the center load P = 400 kN has been applied. If a = 2 m and b = 1.5 m, compute the maximum torque T
Aug 07, 2018.PROBLEM 2.3 An 18-m-long steel wire of 5-mm diameter is to be used in the manufacture of a prestressed concrete beam. PROBLEM 2.62. 640 kN. A 2-m length of an aluminum pipe of 240-mm outer
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Jun 01, 2018.An air mattress is 2.3 m long, 0,66 m wide, and 14 cm deep. If the air mattress itself has a mass of 0.22 kg, what is the maximum mass it can support in freshwater? Solution: Chapter 15 Fluids Q.43P A solid block is attached to a spring scale.
d = c / . d=c/\pi d = c/. If written instead in terms of the radius, the diameter is very simple; its just twice as long: d = 2 r. d = 2r d = 2r. Dimensions of a circle: O - origin, R - radius, D - diameter, C - circumference ( Wikimedia) Area is the space contained within the circles boundaries. Its also easy to find from any of the others.
Apr 04, 2017.The Aluminum cylinder is 0.2 mm longer than steel rod and axial load of 700 kN is applied to bar and the cylinder so rigid. Find stress developed in Aluminum bar and tube. Numerical: 1) A bar is 2.5 m long at 150 C. Find expansion of rod if temperature raised to C. If these expansions are prevented find stresses in material. Take E
An aluminum wire is 0.850 m long and has a circular cross section of diameter 0.780 mm. Fixed at the top end, the wire supports a 1.20-kg object that swings in a horizontal circle. Determine the angular speed of the object required to produce a strain of 1.00 10-3.
Oct 20, 2017.Sample Problem 3.7 An aluminum tube, 1.2 m long, has the semicircular cross section shown in the ure. If stress concentrations at the corners are neglected, determine (1) the torque that causes a maximum shear stress of 40 MPa, and (2) the corresponding angle of twist of the tube. the cross section of the other segment is a circle
Jun 01, 2018.An air mattress is 2.3 m long, 0,66 m wide, and 14 cm deep. If the air mattress itself has a mass of 0.22 kg, what is the maximum mass it can support in freshwater? Solution: Chapter 15 Fluids Q.43P A solid block is attached to a spring scale.
Tangential displacement at gear circle. Twist in shaft BA. B = PROBLEM 3.47 The design specifications of a 2-m-long solid circular transmission shaft require that the angle of twist of the shaft not exceed 3 when a torque of 9 kN m is applied. (27 10 )(1.80355 106 ) = 48.70 103 N m 2 9 Torque carried by aluminum
A uniform aluminum beam 9.00 m long, weighing 300 N, rests symmetrically on two supports 5.00 m apart as shown in the figure. A boy weighing
Mar 20, 2021.It is a case of motion in a vertical circle. Question 15. Can a body in linear motion be in equilibrium? why? A 4 m long ladder of aluminum having 20 kg mass rests against a smooth wall making an angle of 30 with it. A stream of water flowing horizontally with a speed of 15 ms-1 gushes out of a tube of cross-sectional area 10-2 m 2
Schaums Outline of Theory and Problems of College Physics
Use the radius of a circle to find the diameter, circumference, and area. This tool can use a variety of metric and imperial units for lengths and area. Conveniently, it is half as long as the diameter of a circle. A diameter is just two radiuses drawn in opposing directions from the circles origin. Dimensions of a Circle. For a circle
An aluminum wire is $0.850 \mathrm{ m}$ long and has a circular cross section of diameter $0.780 \mathrm{ mm}$. Fixed at the top end, the wire supports a $1.20$ -kg mass that swings in a horizontal circle. Determine the angular velocity required to produce strain $1.00 imes 10^{-3}$.
If you swing a bucket of water fast enough in a vertical circle, at the highest point the water does not spill out. 3.2 m long, has a diameter of 1.2 mm. The wire stretches 1.6 mm when it bears a load. what is the increase in the length of the joined rod? The coefficient of linear expansion of aluminum is 2.4 10-5 K-1 and that of
Mar 29, 2019.Aluminum = 2700 kg/m 3; Butter = 870 kg/m 3; Lead = 11,350 kg/m 3; A large sphere made of solid brass has a diameter of 1.2 m. Find the mass of the sphere. 2 Calculate the Diameter of a Circle. How to. Visualize Square Feet. How to. Calculate the Circumference of a
Problem 2: A turbine generator transmission is rated for 3500 kW at 160 RPM. The shafts, 180 mm diameter and 2 m long, are connected through a flanged coupling with 6 coupling bolts of 40 mm diameter arranged on a pitch circle of 340 mm. If the shaft shear modulus is 85 GPa determine: (a) the maximum shear stress in the shaft
Nov 05, 2020.Find the flux through a circle of radius 3 cm between the plates when the normal to the circle makes an angle of 5 A long copper cylindrical shell of inner radius 2 cm and outer radius 3 cm surrounds concentrically a charged long aluminum rod of radius 1 cm with a charge density of 4 pC/m. (\displaystyle 4.0C/m^2\) on the surface
Use the radius of a circle to find the diameter, circumference, and area. This tool can use a variety of metric and imperial units for lengths and area. Conveniently, it is half as long as the diameter of a circle. A diameter is just two radiuses drawn in opposing directions from the circles origin. Dimensions of a Circle. For a circle
Tangential displacement at gear circle. Twist in shaft BA. B = PROBLEM 3.47 The design specifications of a 2-m-long solid circular transmission shaft require that the angle of twist of the shaft not exceed 3 when a torque of 9 kN m is applied. (27 10 )(1.80355 106 ) = 48.70 103 N m 2 9 Torque carried by aluminum
A solid 60 mm diameter cold rolled brass [G = 39 GPa] shaft that is 1.25 m long extends through and is comple y bonded to a hollow aluminum [G
Mar 29, 2019.Aluminum = 2700 kg/m 3; Butter = 870 kg/m 3; Lead = 11,350 kg/m 3; A large sphere made of solid brass has a diameter of 1.2 m. Find the mass of the sphere. 2 Calculate the Diameter of a Circle. How to. Visualize Square Feet. How to. Calculate the Circumference of a
Oct 20, 2016.As long as the vectors appear in the same cyclic order the result is the same. Ten identical charges of 500 pC each are spaced equally around a circle of radius 2 m. Find the force on a charge
Jan 14, 2017.If the same weight is suspended from a brass wire, 25 m long and 2 mm in diameter, it is elongated by 4 -64 mm. Determine the modulus of elasticity of brass if that of steel be 2.0 amp;#
We use v2fy v2iy 2ay to nd v2fy 20 m=s 2 2 9:81 m=s2 5:0 m 302 m2 =s2 q vfy 302 m2 =s2 17 m=s We take the negative sign because the stone is moving downward, in
= 18 .5 m 2. So, the radius of circle is 24.5 and area of circle is 18 .5. 4. A gardener wants to fence a circular garden of diameter 21m. The area of the remaining part = Area of aluminum square sheet area of circle = 36 12.56 = 23.44 cm 2. A verandah of width 2.25 m is constructed all along outside a room which is 5.5 m long
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