MECHANICAL VIBRATIONS Figure 6.11 shows a rock-crushing mechanism. It is used in a machine wherelarge rock is placed in a vertical hopper and falls into this crushing chamber.Properly sized aggregate, which passes through a sieve, is discharged at thebottom. Rock not passing through the sieve is reintroduced into this crushingchamber. Determine the angular velocity of the crushing ram, in the shownconfiguration, as the 60-mm crank rotates at 120 rpm, clockwise.360 mmCrushingchamber90°60 mm180 mm400 mmFIGURE 6.11 Mechanism for Example Problem 6.6.

Solution: GIven Data: r=60 mmN=120 rpm

Answered: Figure 6.11 shows a rock-crushing…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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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…
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