Principles of Engineering Mechanics (2nd Edition) Episode 10 docx

... time-constant T. 10. 7 The hydraulic relay of problem 10. 6 is modified by the addition of a spring of stiffness S and a damper of damping constant C, as shown in Fig. 10. 55. Show that ... tion of the load is given seconds. Find when the maximum acceleration of the load occurs and determine its value. 10. 12 Derive all of equations 10. 17. 10. 13 See ex...

Ngày tải lên: 12/08/2014, 16:21

... moment of external forces = C moment of (mass x acceleration) = moment of the rate of change of = rate of change of the moment of or momentum momentum We may n~~ke use of ... equal to the product of the total mass and the acceleration of the centre of mass. We must now consider the effect of the positions of the lines of action of t...

Ngày tải lên: 12/08/2014, 16:21

... side of a hill which slopes at 30" away from the centre of curvature of the path as shown. The radius of curvature to the centre of mass can be taken as 30m. The coefficient of ... Moment of inertia of a right circular uniform i) Moment of inertia about the axis of the cylinder. In Fig. 6.8, the mass of an elemental rod is pLdr(rdO), where p is the...

Ngày tải lên: 12/08/2014, 16:21

... consequence of equations 8.8 to 8 .10 is the relationship which exists between the velocity of approach and the velocity of recession of the points of contact. Velocity of approach ... and that of the spider is 0.09 kg m2. Each planet has a mass of 2.0 kg and an axial moment of inertia of 0.0025 kg m2. The centres of the Planet wheels are at a radiu...

Ngày tải lên: 12/08/2014, 16:21

... 9.6 so that, on a graph of log8 against logv, lines of constant d appear as straight lines of slope - 1 and lines of constant f appear as lines of slope +1, as shown in ... has a mass of 0.6 kg and a diameter of 50mm. The puck is sliding on a frictionless horizontal surface at a speed of 10 m/s and strikes a rough vertical surface, the direction of m...

Ngày tải lên: 12/08/2014, 16:21

... shown in Figs 10. 5(a) and (b), then 6, = EF&, as shown in Fig. 10. 5(c). Equations 10. 2, 10. 6, 10. 7, and 10. 9(b) are 10. 7 Frequency response methods 167 Sketches of the Nyquist ... pick-off point as shown in Figs 10. 2, 10. 3, and 10. 4. In Fig. 10. 3, the simplest form of the multiplier E will be a constant, and the most complicated form can always be...

Ngày tải lên: 12/08/2014, 16:21

... of the tube shall be the same as that of the rod. So with reference to Fig. 12.22 we see that the compression of the tube is equal to the initial lack of fit plus the compression of ... of area and denoted by I. Similar to moment of inertia, the second moment of area is often written as I=Ak2 where A is the cross-section area and k is known as the radius...

Ngày tải lên: 12/08/2014, 16:21

... 36)w0 = 8640 10. 19 ala2 = 4oa3, 10. 20 gBOlI(A -g) 10. 17 a) Td = 6 + O.Olw,, 10 s, 10. 18 360Nm, ( 112 4 d(ao a2 10. 22 a) 10. 46, 10. 23 50 10. 24 a) b) 25 10( 1 + 0.2jw) ... 10. 7 A = A1/AzwhereAl = 12c, 10. 6 12/11, (11 + 12)/(11 k) A>= l~C+S(ll+l~)/k, T= C(l1+lz)l(kA2), q = Clk 10. 10 4 N drad, 0.8 rad 10. 11 t = 1 s...

Ngày tải lên: 12/08/2014, 16:21

... study of the motion of material bodies and of the associated forces. The study of motion is called kinematics and involves the use of geometry and the concept of time, whereas the study of the ... vector sum of the external forces acting on a particular set of particles equals the total mass times the acceleration of the centre of mass, irrespective of the indi...

Ngày tải lên: 27/06/2014, 05:20

... Part 3 Engineering Mechanics syllabuses of degree courses in engineering. The emphasis of the book is on the principles of mechanics and examples are drawn from a wide range of engineering ... vector sum of the external forces acting on a particular set of particles equals the total mass times the acceleration of the centre of mass, irrespective of the indi...

Ngày tải lên: 27/06/2014, 18:20