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Find the acceleration of A at the instant shown. Indicate the direction with the sign based on the axes in the figure. Express your answer
Find the acceleration of at the instant shown. Indicate the direction with the sign based on the axes in the figure.
Express your answer to three significant figures in meters per second squared.
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Part B Acceleration of C
Find acceleration of at the instant shown. Give your answer in component form.
Learning Goal:
To be able to use the equation for relative acceleration between two points
to find unknown linear accelerations and angular accelerations of
connected bodies.
Member ABC is controlled using a rack and pinion, which is connected at
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 and the distance between
and is When member ABC forms an angle of with
the rack, the acceleration of is and the velocity of the
block attached at is in the direction shown. Positive
angular velocity and acceleration are in the counterclockwise direction.
Figure
Express your two answers, separated by commas, to three significant figures in meters per second squared.
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Part C Acceleration of B
Find the acceleration of when the acceleration of is and the acceleration of is Mermber ABC makes an angle of at the instant
considered.
Express your answer to three significant figures in meters per second squared.
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vec
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