Engineering Mechanics

Chapter 12 : Support Reactions „„„„„ 229 * The moment of horizontal component of RB and 2.83 kN at D about A will be zero. Examp ...

(^230) „„„„„ A Textbook of Engineering Mechanics ∴ RA=+=(6.205)^22 (0.995) 6.28 kN Let θ = Angle, which the reaction at A makes ...

Chapter 12 : Support Reactions „„„„„ 231 and horizontal component of reaction RA = (3 + 10.4) – 5.2 = 8.2 kN or RB=+ =(6)^22 (8. ...

(^232) „„„„„ A Textbook of Engineering Mechanics ∴ Vertical component of reaction RA = 6 – 5 = 1 kN and RA=+=(5)^22 (1) 5.1 kN A ...

Chapter 12 : Support Reactions „„„„„ 233 12.20.FRAMES WITH ONE END HINGED (OR PIN-JOINTED) AND THE OTHERSUPPORTED FREELY ON ROLL ...

(^234) „„„„„ A Textbook of Engineering Mechanics Since the structure is supported on rollers at the right hand support (C), ther ...

Chapter 12 : Support Reactions „„„„„ 235 ∴ Reaction at A, (^) RA=+WWW^22 (1. 25 ) =1. 6 Ans. Let θ = Angle, which the reaction R ...

(^236) „„„„„ A Textbook of Engineering Mechanics 12.22.FRAMES WITH ONE END HINGED (OR PIN-JOINTED) AND THE OTHER SUPPORTED ON RO ...

Chapter 12 : Support Reactions „„„„„ 237 and vertical component of the total wind load = 4 sin 60° = 4 × 0.866 = 3.464 kN ∴ Bala ...

(^238) „„„„„ A Textbook of Engineering Mechanics Complete the parallelogram OLMN, with OM as diagonal. Measure ON and OL. The l ...

Chapter 12 : Support Reactions „„„„„ 239 and reaction at Q RQ=+ =(2)^22 (1.73) 2.64 kN Let θ = Angle, which the reaction RQ make ...

(^240) „„„„„ A Textbook of Engineering Mechanics 12.23. FRAMES WITH BOTH ENDS FIXED Sometimes, a frame or a truss is fixed or bu ...

Chapter 12 : Support Reactions „„„„„ 241 Now equating the anticlockwise and clockwise moments about A, 22 14 8 89.24 BV cos 30 c ...

(^242) „„„„„ A Textbook of Engineering Mechanics A cantilever braced truss supported on rollers at E and hinged at A is loaded ...

Chapter 12 : Support Reactions „„„„„ 243 QUESTIONS What are various type of loadings? Distinguish clearly between uniformly dis ...

(^244) „„„„„ A Textbook of Engineering Mechanics Analysis of Perfect Frames (Analytical Method) 244 Contents Introduction. Type ...

Chapter 13 : Analysis of Perfect Frames (Analytical Method) „„„„„ 245 13.2. TYPES OF FRAMES Though there are many types of frame ...

(^246) „„„„„ A Textbook of Engineering Mechanics Sometimes, a body is pulled outwards by two equal and opposite forces and the b ...

Chapter 13 : Analysis of Perfect Frames (Analytical Method) „„„„„ 247 13.13.METHOD OF SECTIONS (OR METHOD OF MOMENTS) This metho ...

(^248) „„„„„ A Textbook of Engineering Mechanics Solution. From the geometry of the truss, we find that the load of 10 kN is act ...