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End $A$ of the 8 -kg uniform rod $A B$ is attached to a collar that can slide without friction on a vertical rod. End $B$ of the rod is attached to a vertical cable $B C .$ If the rod is released from rest in the position shown, determine immediately after release $(a)$ the angular acceleration of the rod, $(b)$ the reaction at $A$
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Physics 101 Mechanics
Chapter 16
Plane Motion of Rigid Bodies: Forces and Accelerations
Section 2
Constrained Plane Motion
Motion Along a Straight Line
Rutgers, The State University of New Jersey
University of Michigan - Ann Arbor
University of Winnipeg
Lectures
04:34
In physics, kinematics is the description of the motion of objects and systems in the frame of reference defined by the observer. An observer has to be specified, otherwise the term is meaningless.
07:57
In mathematics, a position is a point in space. The concept is abstracted from physical space, in which a position is a location given by the coordinates of a point. In physics, the term is used to describe a family of quantities which describe the configuration of a physical system in a given state. The term is also used to describe the set of possible configurations of a system.
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End $A$ of the 8 -kg unifo…
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End $A$ of the 6 -k-kg uni…
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End $A$ of the 6 -kg unifo…
08:12
The uniform rod $A B$ with…
Hello. Friends s surrender figure brought a B off must eight kg on a plate. 7. 50 millimeters, that is 175 m is connected to the color at eight, which can slide without friction on a vertical dot and we off the rod. It's attached to the vertical cable Basic. If the road is released from reds from the position, so in the figure. So the league is zero at given position, we have to calculate angular acceleration on reaction. At a first, we will discuss the kinda. Meh ticks off the road. This is our our A B eight having acceleration at eight and downward direction. Acceleration at B center off most of the org rotating clock bites. Sorry. Antique clock bites with angular acceleration. Alfa on having acceleration eight. This distance is Alvito on this also Elway to because G is geometrical center. No, Omega is given. Bureau acceleration off the is going toe acceleration off a plus acceleration off. B big respect toe eight. Uh, acceleration off the is towards the right along xx is exploration off is downward on. It will be hell into well for at angle date of its vertical A V zero. And for course, off Peter, the acceleration off it will be L l Focus off, Peter in downward direction. No acceleration off center off months. Fever acceleration off A plus. Acceleration off G with respect to a exploration is and l for course of data and downward direction plus Elway to Alfa in this direction. So X component off. Center off. Must having the acceleration. I'll buy Tow helper. Sign off Peter towards Right on by component off center, off mass acceleration is and by toe and for are soft. Now dynamics off a V. They will draw the free body diagram off road. Evie, this is the reaction At eight. Were the weight off the road dialect. This angle is theater. This is a reaction at me. I want into. Well, folks. M E x, am I right? This will be Al y toe. Sign off, Tito el y to cause off data. Uh huh. See if this is the key point. And this is the point. No finding momento pulls about eight point taking contract Rock bites to be positive. We can write m g l y to cause off theater. It's going to I l for I m a x l y toe scientist up. Plus, I am a white and by toe cost Ito. So by solving this equation, we can write I is Emily Square by 12 Alfa and X. We have calculated Alpher in tow by tow Sign off theater AL way to sign oxygen, let em. And why? To cause off theater into Alfa and tow alibi to cause off data into well for from every question and for having the value. Three by toe de by El Castillo It's a question but submission off forces along XX is right direction. We can take positive. You will get AIDS cult toe. Um, if our X and for already we have calculated you will get three by food m g scientific into corsets Substituting the value right? Any question One elbow. We went to G 9.81 upon Why am seven fight parts off 30 So Alfa, you will get 16.99 radiant per second square in contract Provide direction really from equation too. And it's she very poor. M is 8 to 9.81 sign off 30 in tow cause off 30 on solving it value up and you will get 25.5 Newton towards right. This is the answer off. Be part. Thanks for watching it.
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