Member ABC is controlled using a rack and pinion, which is connected at B. (The rack is the long, horizontal gear.) The rack can only move horizontally and the pinion does not translate. A block in a sleeve is connected at A and allows movement only in the vertical direction. Member ABC has a total length of 2.40 m and the distance between A and B is 1.25 m1.25 m . When member ABC forms an angle of θ=37.0∘ with the rack, the acceleration of B is aB=1.95 m/s2 and the velocity of the block attached at A is vA=3.15 m/s in the direction shown. Positive angular velocity and acceleration are in the counterclockwise direction.   A) Find the acceleration of A at the instant shown. Indicate the direction with the sign based on the axes in the figure. aA= B) Find acceleration of C, aC, at the instant shown. Give your answer in component form. aC=

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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Member ABC is controlled using a rack and pinion, which is connected at B. (The rack is the long, horizontal gear.) The rack can only move horizontally and the pinion does not translate. A block in a sleeve is connected at A and allows movement only in the vertical direction. Member ABC has a total length of 2.40 m and the distance between A and B is 1.25 m1.25 m . When member ABC forms an angle of θ=37.0∘ with the rack, the acceleration of B is aB=1.95 m/s2 and the velocity of the block attached at A is vA=3.15 m/s in the direction shown. Positive angular velocity and acceleration are in the counterclockwise direction.
 
A) Find the acceleration of A at the instant shown. Indicate the direction with the sign based on the axes in the figure. aA=
B) Find acceleration of C, aC, at the instant shown. Give your answer in component form. aC=
www. CA
y
B
Transcribed Image Text:www. CA y B
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