A bar of uniform cross section and weighing 100 N is held horizontally
Q: A cantilever type gate hinged at Q is shown in the figure P and R are the centres of gravity of the ...
A:
Q: Al m long, 5 cm outer diameter copper pipe with surface threads acting as fins carries hot oil at 11...
A: Given: length of the pipe=1m outer diameter of the pipe→D=5cm=50mm length of the fin→L=1mm thickness...
Q: 2. The spherical steel weighs 15 kN with a diameter of 6 m. The length of distance AB is 8 m. Determ...
A: Given data:- weight of sphere = 15 kN Diameter = 6 m Find the tension at A And reaction at B
Q: e engine is 10 inches and t metric heating process is ng 3% of the stroke, comp atmosnhore is at 147...
A:
Q: A lever brake system is used to keep a wheel with an applied moment from moving. If the coefficient ...
A:
Q: Each of the four jet engines on an Airbus A380 airliner develops a thrust (a forward force on the ai...
A:
Q: A steel tube with a thermal conductivity of 55 W/m.K carries a fluid at 175°C, with a convection hea...
A:
Q: Steam at 6.2 MPa and 480 deg. C is received by a regenerative engine with ideal conditions and in an...
A:
Q: A pump has a 100 mm diameter suction pipe and a 75 mm discharge pipe. The capacity is 15 L/s of wate...
A:
Q: Q5. A mercury barometer located in a room at 25°C has a height of 0.750 m. The density of mercury at...
A:
Q: The paraboloid is formed by revolving the shaded area around the x axis. Determine the radius of gyr...
A:
Q: A cat has a body temperature of 48 ºC. She stays inside a closed air conditioned room that has an in...
A: Find the heat loss per unit area from the cate
Q: A certain force F is applied at D. OABC bar is made of a brittle material with 210 MPa ultimate tens...
A:
Q: 2) A system undergoes a power cycle while receiving 1000 kJ by heat transfer from a thermal reservoi...
A: Given:Qa=1000 KJTH=500 KQr=600 KJ
Q: magnitude of reaction force at joint C
A: Given; Magnitude of reaction force at joint C of the hinge-beam shown in figure:Where the load is gi...
Q: Question 1: Express each of the three forces acting on the F- 275 Ib column in Cartesian vector form...
A:
Q: Block B moves down with a constant velocity of 12 mm/s. Block A starts from rest at t = 0 and moves ...
A: Given: Constant velocity of B→VB=12 mmsec block A starts from rest at t=0 sec so initial velocity of...
Q: 5. Calculate the reaction at point A and B. 3000 lb 2 ft 10 ft 100 lb/ft
A: Draw the free-body diagram of the beam.
Q: A trash compactor pushes down with a force of 500N on a 3 cm2 input piston, causing a force of 30,00...
A:
Q: Q7. The series of states through which a --- system passes during a process is called 561 process O ...
A:
Q: A pipe equipped with a nozzle is used to deliver water to the wheel of a hy draulic turbine. The pip...
A: Given: Diameter of the nozzle→d=10 Cm=0.10 m so the area of the nozzle→a=π4d2=π40.12=0.0078 m2 veloc...
Q: a2 az
A: Considering unit side hexagon Arrow side coordinates: [ a1 a2 a3 z ] = 12 -1 12 0 t...
Q: A cantilever type gate hinged at Q is shown in the figure P and R are the centres of gravity of the ...
A: Given: A cantilever type gate,mass of the cantilever part , P=75 kg
Q: 5. A short compression member with D, = 2D, is to support a dead load of 25 tons. The material is to...
A:
Q: Q = 0.05 m3/s P1 = 12.5 kPa P2 = 11.5 kPa P3 = 10.3 kPa Find HL (1-2) P2 2) - 50 mm 4 = 50 mm 10m P3
A: Calculated head loss HL(1-2) .
Q: The guide lines that meet in an isometric view at 90° to the horizontal, what dimension represents?
A: The lines that meet in an isometric view at 90o to the horizontal, the dimension represents the heig...
Q: 2-43. If = 30° and F = 250 lb, determine the magnitude of the resultant force acting on the bracket ...
A:
Q: Q1) An elevator car has a mass of (1600 kg) and is carrying passengers having a combined mass of (20...
A: Givenmass of elevator M'=1600kgmass of passengers m=200kgfriction force f=4000N
Q: DETERMINE THE DEFLECTION AT POINTSB AND C. El=50.0x103 kN-m2 24 kN/m B EI 3.0 m 3.0 m 1.5 m 7.5 m
A:
Q: A venturi tube is used to determine the airspeed at the throat/test section. During the test, a rais...
A:
Q: 1. Measure di and d2 and record the values. 2. Record the total mass, M2, and include the mass of th...
A: Given: The distance are d1=0.1 m and d2=0.1 m. The mass is M2=14 gm. The angle is θ=30°. The equat...
Q: For a two-dimensional incompressible flow field given by -Azi - vi , where A > 0, which one of the f...
A: GIVEN DATA- VELOCITY FIELD U=A(xi-yi) WE HAVE TO CHOOSE FALSE STATEMENT
Q: A 5-ton spacecraft is running low on fuel and the spacecraft's propulsion force is given by F=5000−2...
A: Given data, Mass of the spacecraft, m = 5000 kg Spacecraft's propulsion force equation, F = 5000 - 2...
Q: The change in specific entropy c
A: Given: An ideal gas undergoes a process from; state 1: T1=300 K p1=1 kJ/kg-K state 2: T2=...
Q: Q1) An elevator car has a mass of (1600 kg) and is carrying passengers having a combined mass of (20...
A:
Q: Q3) If motors A and B draw their attached cables as shown below with an acceleration of a = 0.21 m/s...
A: Givena=0.2t m/s2h=4m
Q: A cork 2 cm. in radius is used to close one end of the tube whose other end is connected to a vacuum...
A:
Q: Given data : Mass=3 kg height=3 m g=10 m/s2 Determine potential energy
A: Given: m = 3 kg g = 10 m/s2 h = 3 m
Q: 0. A hollow rivet has an outside diameter of 5 mm and an inside diameter of 3 mm. If the allowable s...
A: Given Outer diameter, D = 5 mm Inside diameter, d = 3 mm Stress = 400 x 1...
Q: A pair of spur gears with module 5 mm and a centre distance of 450 mm is used for a speed reduction ...
A:
Q: A thin-walled cylindrical pressure vessel of a radius r is subjected simultaneously to internal gas ...
A: Given Force, F = 190 kN Internal pressure p = 12 MPa Inner diameter, d = 200 mm...
Q: 20. In a repair shop compressed air is used to operate pneumatic tools. The total length of the airl...
A:
Q: What is the mass flow rate of airflow, with a Mach number of 0.230, Area of 10 in^2, Speed of sound ...
A:
Q: Steam at 6.2 MPa and 480 deg. C is received by a regenerative engine with ideal conditions and in an...
A: Given; P0=6.2 MPaT0=480°CP1=3 MPa
Q: The quick return mechanism shown below is in static equilibrium. The force F has a magnitude of 30 N...
A:
Q: A steel tank with inner diameter of 5m and a height of 5.20m contains Oil (specific gravity = 0.80)...
A: SPECIFIC GRAVITY Specific gravity, likewise called relative thickness, proportion of the thickness o...
Q: Engineering Mechanics problem. A solid circular steel shaft having an outside diameter of D = 0.75 ...
A:
Q: ʙᴀꜱᴇᴅ ᴏɴ ᴛʜᴇ ʟɪꜱᴛ ᴛʜᴀᴛ ᴀ ᴍᴇᴄʜᴀɴɪᴄᴀʟ ᴇɴɢɪɴᴇᴇʀ ᴄᴀɴ ᴘᴇʀꜰᴏʀᴍ, ᴡʜᴀᴛ ᴅᴏ ʏᴏᴜ ᴛʜɪɴᴋ ɪꜱ ᴛʜᴇ ᴛᴏᴘ 3 ᴘʀᴀᴄᴛɪᴄᴇꜱ ᴛ...
A: Mechanical Engineers are involved in every industry in the modern world. Whether it be manufacturing...
Q: Determine the number of cycles (using Goodman) an aluminum part (3003 H12 temper) can withstand unde...
A:
Q: ROBLEM 1 A block of 200 kg mass rests on a rough horizontal plane. Find the force required in each o...
A:
Step by step
Solved in 2 steps with 1 images
- By what distance h does the cage shown in the figure move downward when the weight W is placed inside it? (See the figure.) Consider only the effects of the stretching of the cable, which has axial rigidity EA = 10,700 kN. The pulley at A has a diameter da= 300 mm and the pulley at B has a diameter dB= 150 mm. Also, the distance L1= 4.6 m, the distance L2=10.5 m, and the weight W = 22 kN. Note: When calculating the length of the cable. include the parts of the cable that go around the pulley sat A and B.A hollow circular pipe (see figure} support s a load P that is uniformly distributed around a cap plate at the top of the lower pipe. The inner and outer diameters of the upper and lower parts of the pipe are d1= 50 mm, d2= 60 mm, rf3 = 57 mm, and d1= 64 mm, respectively. Pipe lengths are Lt= 2 m and L, = 3 m. Neglect the self-weight of the pipes. Assume that cap plate thickness is small compared to I, and E,. Let E = 110 MPa. (a) If the tensile stress in the upper part is d = 10.5 MPa. what is load PI Also, what are reactions ft, at the upper support and R-, at the lower support? What is the stress ar(MPa) in the lower part? (b) Find displacement S(mm) at the cap plate. Plot the axial force diagram (AFD) [Ar(.f)] and axial displacement diagram (ADD)[5(.t)]. (c) Add the uniformly distributed load q along the censorial axis of pipe segment 2. Find q (kN/m) so that It, = 0. Assume that load P from part (a) is also applied.An L-shaped reinforced concrete slab 12 Ft X 12 ft, with a 6 Ft X 6 ft cut-out and thickness t = 9.0 in, is lifted by three cables attached at O, B, and D, as shown in the figure. The cables are are combined at point Q, which is 7.0 Ft above the top of the slab and directly above the center of mass at C. Each cable has an effective cross-sectional area of Ae= 0.12 in2. (a) Find the tensile force Tr(i = 1, 2, 3) in each cable due to the weight W of the concrete slab (ignore weight of cables). (b) Find the average stress ov in each cable. (See Table I-1 in Appendix I for the weight density of reinforced concrete.) (c) Add cable AQ so that OQA is one continuous cable, with each segment having Force T, which is connected to cables BQ and DQ at point Q. Repeat parts (a) and (b). Hini: There are now three Forced equilibrium equations and one constrain equation, T1= T4.
- Space frame A BCD is clamped at A, except it is Free to translate in the .v direction. There is also a roller support at D, which is normal to line CDE. A triangularly distributed Force with peak intensity q0 = 75 N/m acts along AB in the positive - direction. Forces Px= 60 N and Pz = = 45 N are applied at joint C, and a concentrated moment My = 120 N . m acts at the mid-span of member BC. (a) Find reactions at supports A and I). (b) Find internal stress resultants N. E’I T, and .11 at the mid-height of segment AB..15 A hitch-mounted bicycle rack is designed to carry up to four 30-lb bikes mounted on and strapped to two arms Gil (sec bike loads in the figure part a) The rack is attached to the vehicle at A and is assumed to be like a cant silkier beam A BCDGII (figure part b) The light of fixed segment AB is U = 10 lb. centered 9 in. from A (see figure part b) and the rest of the rack highs W2 = 40 lb. centered 19 in. from A. Segment ABCDG is a steel tube o(2 X 2 in. with a thickness I = 118 in. Segment BCDGII pivots about a bolt at B with a diameter d1 = 0.25 in. to allow access to the rear of the vehicle without removing the hitch rack. When in use, the rack is secured in an upright posit ion by a pin C(diameter o( pin d, = 5116 in.) (see phoo and figure part C). The of returning effect of the bikes on the rack is resisted by a force couple F h at BC. (a) Find the support reactions at A for the fully loaded rack. (b) Find forces in the bolt at B and the pin at C. (c) Find average shear stresses in both the bolt at Band the pin at C. (d) Find average bearing stresses o, in the bolt at B and the pin at C.Two pipe columns (AB, FC) are pin-connected to a rigid beam (BCD), as shown in the figure. Each pipe column has a modulus of E, but heights (L1or L2) and outer diameters (d1or different for each column. Assume the inner diameter of each column is 3/4 of outer diameter. Uniformly distributed downward load q = 2PIL is applied over a distance of 3L/4 along BC, and concentrated load PIA is applied downward at D. (a) Derive a formula for the displacement
- The L-shaped arm ABCD shown in the figure lies in a vertical plane and pivots about a horizontal pin at A. The arm has a constant cross-sectional area and total weight W. A vertical spring of stiffness k supports the arm at point B. (a) Obtain a formula for the elongation of the spring due to the weight of the arm. (b) Repeat part (a) if the pin support at A is moved to D.A rigid bar AB having a mass M = 1.0 kg and length L = 0.5 m is hinged at end A and supported at end B by a nylon cord BC (see figure). The record has cross-sectional area A = 30 mm2. length b = 0.25 m. and modulus of elasticity E = 2.1 GPa. If the bar is raised to its maximum height and then released, what is the maximum stress in the cord?A space truss is restrained at joints O, A. B. and C, as shown in the figure. Load P is applied at joint A and load IP acts downward at joint C. (a) Find reaction force components Ax, By, and B. in terms of load variable P. (b) Find the axial force in truss member AB in terms of load variable P.
- A non prism elk- bar ABC made up of segments AB(length £,, cross-sectional area .Inland BC (length i-,, cross-sectional area A2) is fixed at end A and free al end C (see figure). The modulus of elasticity of the bar is E. A small gap of d intension s exists between the end of the bar and an elastic spring of length Lj and spring constant k3. If bar ABC only (not tin? spring} is subjected to temperature increase A3", determine the following. (a) Write an expression for reaction forces R^ and RDif the elongation of /I BC exceeds gap length s. (b) Find expressions for the displacements of points B and C if the elongation of ABC exceeds gap length s.-21 Plastic bar AB of rectangular cross section (6 = 0.75 in. and h = 1.5 in.) and length L = 2 Ft is Fixed at A and has a spring support (Ar = 18 kips/in.) at C (see figure). Initially, the bar and spring have no stress. When the temperature of the bar is raised hy foot. the compressive stress on an inclined plane pq at Lq = 1.5 Ft becomes 950 psi. Assume the spring is massless and is unaffected by the temperature change. Let a = 55 × l0-6p and E = 400 ksi. (a) What is the shear stresst9 on plane pq? What is angle 07 =1 Draw a stress element oriented to plane pq, and show the stresses acting on all laces of this element. (c) If the allowable normal stress is ± 1000 psi and the allowable shear stress is ±560 psi, what is the maximum permissible value of spring constant k if the allowable stress values in the bar are not to be exceeded? (d) What is the maximum permissible length L of the bar if the allowable stress values in the bar are not be exceeded? (Assume £ = IB kips/in.) (e) What is the maximum permissible temperature increase (A7") in the bar if the allowable stress values in the bar are not to be exceeded? (Assume L = 2 ft and k = L& kips/inA framework ABC consists of two rigid bars AB and BC. Each having a length b (see the first part of the figure part a). The bars have pin connections at A, B, and C and are joined by a spring of stiffness k. The spring is attached at the midpoints of the bars. The framework has a pin support at A and a roller support al C, and the bars are at an angle a to the horizontal. When a vertical load P is applied at joint B (see the second part of the figure part a.) the roller support C moves to the right, the spring is stretched, and the angle of the bars decreases from a to the angle ??. (a) Determine the angle 0 and the increase S in the distance between points A and C. Also find reactions at A and C. (Use the following data: b = 200 mm. ft = 3.2 kN/m. a = 45°. and P = 50 N.) (b) Repeat part (a) if a translational spring kt= kll is added at C and a rotational spring kr= kb-l2 is added at A (see figure pan b).