The dimensions of the various links of a mechanism, as shown in Fig. 7.36, are as follows: AB=30 mm; BC= 80 mm; CD= 45 mm; and CE = 120 mm. The crank AB rotates uniformly in the clockwise direction at 120 r.p.m. Draw the velocity diagram for the given configuration of the mechanism and determine the velocity of the slider E and angular velocities of the links BC, CD and CE. Ans. 120 mm/s; 2.8 rad/s; 5.8 rad/s ; 2 rad/s B 30° 22.5 mm 1 A 75 mm E www

The dimensions of the various links of a mechanism, as shown in Fig. 7.36, are as follows: AB=30 mm; BC= 80 mm; CD= 45 mm; and CE = 120 mm. The crank AB rotates uniformly in the clockwise direction at 120 r.p.m. Draw the velocity diagram for the given configuration of the mechanism and determine the velocity of the slider E and angular velocities of the links BC, CD and CE. Ans. 120 mm/s; 2.8 rad/s; 5.8 rad/s ; 2 rad/s B 30° 22.5 mm 1 A 75 mm E www

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

A particle M1, weighing 2.4 Ibs, is tied to a thread and describes a circular path in a horizontal plane. The thread, of negligible mass, passes through a hole in the center of the circle and descends vertically. Another particle M2 is attached, weighing 5.0 Ibs, as shown in the figure. If M1 describes a uniform circular motion, with angular velocity w 3.1 rad/s, determine the radius R of the circumference in inches.
From the given figure, A circular disk of a radius R rolls without slipping at a velocity V. Determine the magnitude of the velocity at point P.
A uniform cylindrical turntable of radius 1.9 m and mass 30.0kg rotates counterclockwise in a horizontal plane with an initial angular speed of 4pi rad/s. The fixed turntable bearing is frictionless. A lump of clay of mass 2.25kg and negligible size is dropped onto the turntable from a small distance above it and immediately sticks to the turntable at a point 1.80m to the east of the axis. A. Find the final angular speed of the clay and turntable. B. Is the mechanical energy of the turntable-clay system constant in this process? C. Is the momentum of the system constant in this process? Explain your answer.
Consider the four – bar mechanism in Fig. 1 with a velocity VA= 9.14 m/s,determine : A) all instant centers.b) the velocities of point b by using the instant centers.
To be able to develop an equation relating the linear distance between moving bodies to the angular position and velocity of the first or driving body and to use this relationship to derive the function for absolute velocity and acceleration of the second body. A circular cam is in contact with a rectangular lifter and used to intermittently operate a piece of equipment at the end of a lifter arm. The lifter is in contact with the highest point of the cam at the instant shown and the lifter is constrained to move only in the vertical direction. The cam has a radius of r = 5.0 in and is rotating about point O, which is offset from the center by a distance c = 2.7 in. The cam’s angular position is measured from the positive x axis and is positive clockwise. The angular velocity and acceleration are positive clockwise. Find the linear velocity of the lifter with respect to point O when the cam has an angular position of θ = 25 ∘ and is rotating with an angular velocity of ω = 3.4 rad/s…
To be able to develop an equation relating the linear distance between moving bodies to the angular position and velocity of the first or driving body and to use this relationship to derive the function for absolute velocity and acceleration of the second body. A circular cam is in contact with a rectangular lifter and used to intermittently operate a piece of equipment at the end of a lifter arm. The lifter is in contact with the highest point of the cam at the instant shown and the lifter is constrained to move only in the vertical direction. The cam has a radius of r = 5.0 in and is rotating about point O, which is offset from the center by a distance c = 2.7 in. The cam’s angular position is measured from the positive x axis and is positive clockwise. The angular velocity and acceleration are positive clockwise. The lifter with respect to point O when the angle is θ = 25 ∘, the angular velocity is ω = 3.4 rad/s, and the angular acceleration is α = 3.0 rad/s2 . Find the range of…
A disk of radius r rolls to the right with a constant velocity v. Denoting by P the point of the rim in contact with the ground at t = 0, derive expressions for the horizontal and vertical components of the velocity of P at any time t.
Please show complete solutionA man on a bicycle rounds a flat curve of 100-m radius at a speed of 60kph. Determine the angle (in deg) at which the cycle is inclined with the horizontal.
The connecting rod of a horizontal reciprocating engine is 400 mm and length of the stroke is 200mm. The mass of the reciprocating parts is 125 kg and that the connecting rod is 100 kg. The radius of gyration of the connecting rod about an axis through the centre of gravity is 120 mm and the distance of centre of gravity of the connecting rod from big end centre is 160 mm. The engine runs at750 r.p.m. Determine graphically the torque exerted on the crankshaft when the crank has turned 30° from the inner dead centre.
Consider the slider-crank mechanism shown. Crank AB is 0.500 m long and is rotating counterclockwise at 3.00 rad/s. Rod BD is 1.500 m long. 1. Which of the following gives the closest value of the speed of end B of crank AB? 2. If crank AB is rotating at a constant angular velocity, which body/bodies is/are in general plane motion?
In a four-bar chain ABCD. AD is fixed and is 150mm long. The crank AB is 90 mm long and rotates at 120 rpm clockwise while the link CD is 80 mm long and oscillates about D. BC and AD are of equal length. Find the angular velocity of link CD, when angle BAD = 60O. a) Draw the configuration diagram in appropriate scale. b) Determine the angular velocity (ωAB). c) Determine the linear velocity (Vba) d) Draw the velocity diagram in appropriate scale. e) Determine the linear velocity (Vcb), , and f) the angular velocity (ωcd)
A small grinding wheel is attached to the shaft of an electric motor which has a rated speed of 3600 rpm. When the power is turned on, the unit reaches its rated speed in 5 s, and when the power is turned off, the unit coasts to rest in 70 s. Assuming uniformly accelerated motion, determine the number of revolutions that the motor executes (a) in reaching its rated speed, (b) in coasting to rest.