Engineering Mechanics

(^568) „„„„„ A Textbook of Engineering Mechanics We know that the velocity with which the ball impinges on the floor, ugh= 2 0 . ...

Chapter 27 : Collision of Elastic Bodies „„„„„ 569 27.11. INDIRECT IMPACT OF A BODY WITH A FIXED PLANE Fig. 27.6. Consider a bod ...

(^570) „„„„„ A Textbook of Engineering Mechanics Fig. 27.7. (a) Direction of the body after impact Let θ = Angle, which the fina ...

Chapter 27 : Collision of Elastic Bodies „„„„„ 571 A ball moving with a velocity of 2 m/s, hits a smooth fixed plane at an angl ...

(^572) „„„„„ A Textbook of Engineering Mechanics 572572 Motion Along a Circular Path^28 CHAPTERCHAPTERCHAPTERCHAPTERCHAPTER Cont ...

Chapter 28 : Motion Along a Circular Path „„„„„ 573 Let r = Radius of the circular path in m, and v = Linear velocity of the par ...

(^574) „„„„„ A Textbook of Engineering Mechanics 28.3. CENTRIPETAL FORCE A body, moving in a circle or along a circular path, wi ...

Chapter 28 : Motion Along a Circular Path „„„„„ 575 Example 28.4. A body of mass 0·5 kg tied to string is whirled in a vertical ...

(^576) „„„„„ A Textbook of Engineering Mechanics 28.5 CENTRIFUGAL FORCE ACTING ON A BODY MOVING ALONG A CIRCULAR PATH Consider a ...

Chapter 28 : Motion Along a Circular Path „„„„„ 577 The resultant of these forces is inclined with the vertical as shown in Fig ...

(^578) „„„„„ A Textbook of Engineering Mechanics Let m = Mass of the body in tonnes, r = Radius of circular path in m, v = Veloc ...

Chapter 28 : Motion Along a Circular Path „„„„„ 579 In such a case, the superelevation is given by the relation, Gv^2 S gr = whe ...

(^580) „„„„„ A Textbook of Engineering Mechanics 28.10.REACTIONS OF A VEHICLE MOVING ALONG A LEVEL CIRCULAR PATH In the last art ...

Chapter 28 : Motion Along a Circular Path „„„„„ 581 Similarly, by taking moments about B and equating the same, we get 2 1– A 2 ...

(^582) „„„„„ A Textbook of Engineering Mechanics r = Radius of the circular path in m, h = Height of c.g. of the vehicle from th ...

Chapter 28 : Motion Along a Circular Path „„„„„ 583 We know that the centrifugal force, which tends to skid away the vehicle, 2 ...

(^584) „„„„„ A Textbook of Engineering Mechanics An aeroplane is travelling with a velocity of 450 km.p.h. in a curve of radius ...

Chapter 28 : Motion Along a Circular Path „„„„„ 585 On a curved railway track, the amount by which the outer rail is raised, is ...

(^586) „„„„„ A Textbook of Engineering Mechanics 586586 Balancing of Rotating Masses 29.1. INTRODUCTION We have already discusse ...

Chapter 29 : Balancing of Rotating Masses „„„„„ 587 29.2. METHODS FOR BALANCING OF ROTATING MASSES We have already discussed tha ...