6/108 The homogeneous disk of mass m is resting on theright-angled supporting surfaces shown. The tension P inthe cord is very gradually increased from zero. If the fric-tion at both A and B is characterized by μ = 0.25, whathappens first-does the homogeneous disk slip in place ordoes it begin to roll up the incline? Determine the value ofP at which this first movement occurs.P30°ABMg = 0.25PROBLEM 6/108

Given: The mass of disk is m. The coefficient of friction , μs=0.25 The inclined angle ,θ=30°

6/108 The homogeneous disk of mass m is resting on the right-angled supporting surfaces shown. The tension P in the cord is very gradually increased from zero. If the fric- tion at both A and B is characterized by us = 0.25, what happens first-does the homogeneous disk slip in place or does it begin to roll up the incline? Determine the value of P at which this first movement occurs. P 30° A B Mg = 0.25

6/108 The homogeneous disk of mass m is resting on the right-angled supporting surfaces shown. The tension P in the cord is very gradually increased from zero. If the fric- tion at both A and B is characterized by us = 0.25, what happens first-does the homogeneous disk slip in place or does it begin to roll up the incline? Determine the value of P at which this first movement occurs. P 30° A B Mg = 0.25

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

Each spring has an unstretched length of 2 in and a stiffness of fc = 330 N/m . 1. Determine the stretch in 04 spring required to hold the 18-kg crate in the equilibrium position shown. 2. Determine the stretch in OB spring required to hold the 18-kg crate in the equilibrium position shown.
the uniform concrete pole has a mass of 25 tons and is slowly being lifted to a vertical position through the tension P in the cable. for position theta=60° calculate the tension T in the horizontal anchor cable 6 m 6 m 8 2m T B
6/8 The 30-kg homogeneous cylinder of 400-mm diameter rests against the vertical and inclined surfaces as shown. If the coefficient of statie frietion between the cylinder and the surfacos is 0.30, calculate the applied clockwiae couple M which would cause the cylinder to slip. M 30 Problem 6/8
The horizontal steel shaft has a mass of 360 kg and is suspended by a vertical cable from A and by a second cable BC which lies in a vertical transverse plane and loops underneath the shaft. Calculate the tensions T1 and T, in the cables. 1.0 m 1.0 m B. T2 Т T1 2.0 m -1.9 m 2.6 m 0.6 m Answers: N T1 = i N T2 = i
End B of the uniform 2.7-kg bar AB is connected to a small roller that moves in a horizontal slot. The other end of the bar is pinned to the homogeneous 1.8-kg disk that rolls without slipping on the vertical surface. The spring attached to A has a free length of 0.3 m and a stiffness of 58 N/m. After the system is becomes horizontal. Determine the magnitude of the force P that acts on the bar at B. 2.1 m 0.24 m 0.9 m www 1.8 kg 1.5 m 2.7 kg P
The homogeneous box has mass m. The magnitude of force Pis slowly increased until motion occurs. Motion could occur as slipping or tipping and you must decide which occurs first. Find the value of P which first causes motion. P А 30° d = 0.40 B 2.2 d Answer: P = i mg
Problem Statement Based on Problem 5-87 from the textbook. Both pulleys are fixed to the shaft and as the shaft turns with constant angular velocity, the power of pulley A is tramsitted to pulley B. Determine the horizontal tension T in the belt on pulley B and the x, y, z components of reaciotn at the journal bearing C and thrust bearing D. The bearings are in proper alignment and exrt only force reactions on the shaft. 300 mm 250 mm 200 mm 80 mm D 150 mm F3 F1=70N F2=85N F3=50N Theta=38 degrees
4/16 The rectangular frame is composed of four perim- eter two-force members and two cables AC and BD which are incapable of supporting compression. Determine the forces in all members due to the load L in position (a) and then in position (b). L 3d A D (a) B L 4d с (6)
A skier starts from rest on the 39° slope at time t = 0 and is clocked at t = 2.60 s as he passes a speed checkpoint 20 m down the slope. Determine the coefficient of kinetic friction between the snow and the skis. Neglect wind resistance. 39⁰
The 40-kg uniform triangular plate is supported by two small hinges A and B and the cable system shown. For the horizontal position of the plate, determine all hinge reactions and the tension T in the cable. Hinge A can resist axial thrust, but hinge B cannot. See Table D/3 in Appendix D for the mass-center location of a triangular plate. Answers: Ax= Ay- A₂ 0.43 m 0.20 m By B₂= 0.20 m 0.43 m T= 0.91 m. Z Z N N z z N N N N 1.30 m