Example 6.24. A sliding block, having a mass of 40 kg, slides over a 40 mm dia 1200 mm long horizontal rod at a velocity of 2 m/s, is stopped by its impact, with a rigid collar provided at the end of the rod as shown in Fig. 6.20. Ignoring friction and bending of the bar, find the instantaneous stress induced in the bar. Take E = 2 x 10' N/mm². F 1-2m 140mm DIA ROD 2 m/S 40kg MASS FIG. 6.20

Example 6.24. A sliding block, having a mass of 40 kg, slides over a 40 mm dia 1200 mm long horizontal rod at a velocity of 2 m/s, is stopped by its impact, with a rigid collar provided at the end of the rod as shown in Fig. 6.20. Ignoring friction and bending of the bar, find the instantaneous stress induced in the bar. Take E = 2 x 10' N/mm². F 1-2m 140mm DIA ROD 2 m/S 40kg MASS FIG. 6.20

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A 296-lb block is resting on a rough horizontal surface for which the coefficient of friction is 0.4. Determine the force P (Ib) required to cause motion to impend if applied to the block horizontally. W P
Example 18.14. A mass is held by three springs as shoun in Fig. 18.22. Assume the ing friction on the floor is negligible, as are the inertial effects of the rollers. The spring anstants are ki = 6 N/mm, k2 = 4 N/mm, k3 =2 N/mm, g= 9810 mm/sec". Find p. %3D %3D %3D k2 k3 160 N www www (a) Series and Parallel k1 160 N (b) Parallel Fig. 18.22: For Example 18.14
The 50-mm-diameter solid shaft is subjected to the distributed and concentrated torsional loadings shown. Draw the torque diagram. Calculate the absolute maximum and minimum shear stresses on the outer surface of the shaft and specify their locations, measured from the fixed end A. 1400 N·m 3000Nm/m B 1.2m 1.8m
[27.04 mm, 1.26.] 11.6 (A/B). Show that the torsional strain energy of a solid circular shaft transmitting power at a constant speed is given by the equation: U=-x volume. 4G
A simply supported beam column of 4 cm × 6 cm cross-section, 1.5 m long is subjected to an axial load of 8 kN in addition to a transverse concentrated load of 15 kN at a distance of 50 cm from one end. Determine the maximum deflection and the maximum stress in the column. Take E = 200 GPa
Problem 2: A solid circular shaft is acted upon by the torques as shown. If G= 12, 000 ksi determine: a. Rotation of wheel D with respect to A. b. Shear stress at point E Diameter of shaft: A-B = 2in C-D = 2in B-C = 4in T1=3 m in.kips T2=7 m in.kips Ta= 8.5 Tm in.kips T4= 4.5 m in.kips T1 T2
Example 24.4. Calculate the maximum torque that can be transmitted by a 35 cm diameter shaft if the twist in the shatt is not to exceed 1 degree in 15 diameter of length and also the shear stress is limited to 50 MPa. Take modulus of rigidity for the shaft material C = 85 GPa.
The 12 kN crate is being pulled by the force P as shown in the figure. The force P makes an angle of e with the horizontal. a) Find the smallest possible force P to cause the crate to slide. b) Determine the angle e. c) Determine the horizontal frictional force acting at the bottom of the crate, W=12KN Note : The total surface R I Pmin - M= 0.20