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Make a sketch to show the given vectors.
A force of 342 lbs. acting on an object while a force of 454 pounds acts on the same object an angle of 94 degrees with the first force.
 one year ago
 one year ago
Make a sketch to show the given vectors. A force of 342 lbs. acting on an object while a force of 454 pounds acts on the same object an angle of 94 degrees with the first force.
 one year ago
 one year ago

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punnusBest ResponseYou've already chosen the best response.0
how is the 342 lbs force acting on the object.
 one year ago

agent0smithBest ResponseYou've already chosen the best response.2
dw:1361091618581:dw
 one year ago

punnusBest ResponseYou've already chosen the best response.0
@agent0smith The phasor diagram will be correct only if the 342 lbs is acting horizontally on the object.
 one year ago

agent0smithBest ResponseYou've already chosen the best response.2
@punnus it shouldn't matter, only thing that should be important is angle between vectors.
 one year ago

agent0smithBest ResponseYou've already chosen the best response.2
dw:1361091942621:dw We don't know the resultant direction of course, but still, it doesn't appear to be important.
 one year ago

punnusBest ResponseYou've already chosen the best response.0
It is a phasor diagram it is the representation on the forces acting on it .. All i am saying that same information has to given regarding the 342 lbs force. If we go about only the relation between 342 and the 454 lbs force then is not a fully correct diagram as it does no such justification to the 342 lbs force @agent0smith
 one year ago

agent0smithBest ResponseYou've already chosen the best response.2
Well yeah, but all it asks to show the angle between them. We don't know anything other than the angle between the two, but again, it doesn't appear important given the question.
 one year ago

agent0smithBest ResponseYou've already chosen the best response.2
As long as we have the two vectors with an angle 94 deg between them, that's all the question asks.
 one year ago

punnusBest ResponseYou've already chosen the best response.0
well @agent0smith you are correct but all I am saying that the first line of the question states that "Make a sketch to show the given vectors" . Though one vector has been defined in term of the other vector but there is not info regarding the other vector and there has to be some reference point from where we measure the vectors direction even if it not asked in the question..
 one year ago

agent0smithBest ResponseYou've already chosen the best response.2
^ that just makes any number of sketches valid answers.
 one year ago

punnusBest ResponseYou've already chosen the best response.0
And Shall i remin you that is a vector and so both direction and magnitude must be defined @agent0smith
 one year ago

punnusBest ResponseYou've already chosen the best response.0
All i want to say the question is incomplete or some information is missing.
 one year ago

agent0smithBest ResponseYou've already chosen the best response.2
It doesn't have to be incomplete. The question just wants the student to demonstrate that they understand the angle between two vectors. Yes, vectors should have a given direction, but here... they don't, other than relative to one another.
 one year ago

punnusBest ResponseYou've already chosen the best response.0
Then what we can do is to assume a datum line for any general case and solve for it..
 one year ago

mathaterme2Best ResponseYou've already chosen the best response.0
So there isn't a way from the question (which I have typed in full all that I was given) to determine the direction of the vectors, right? Only the actual 94 degrees between them would be important? & thanks.
 one year ago

agent0smithBest ResponseYou've already chosen the best response.2
^ correct. Even if the direction of the 342 was given, that still doesn't give the actual position of the other vector w/o more information (eg. that they're in the same plane) because the other vector could be going into or out of the page and still be at a 94 deg angle to the first.
 one year ago
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