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thanksThe signs in the solution are quite difficult to type, so I did it handwritten, here you goView attachment 60062
View attachment 60071
plzz help me solve this qtn
Sorry could you just quote them I can't seem to find it.Alright thanks. Can u look at the other questions i posted
yea the ans is correct but how can u change the figure....the force Q is horizontal and R make angle with Q.View attachment 60073
Resolving vertically upward:
3sinx = 6sin20
x = 43.1602
Angle POQ = 43.2+20 = 63.2 deg
Resolving horizontally to the right:
R = 3cosx + 6cos20 = 7.83 N
Are those answers right?
It's the same thing. I've just rotated the diagram. You could otherwise draw a line perpendicular to the resultant as it is, then resolve in the direction of the resultant and in the direction perpendicular to it.yea the ans is correct but how can u change the figure....the force Q is horizontal and R make angle with Q.
no what i meant to say was that if the force Q is horizontal then it cannot be 6sin(20) it should be 6It's the same thing. I've just rotated the diagram. You could otherwise draw a line perpendicular to the resultant as it is, then resolve in the direction of the resultant and in the direction perpendicular to it.
Hope you get what I mean.
Yes, if you take Q as horizontal. But I have taken the resultant to be horizontal to make calculations simpler.no what i meant to say was that if the force Q is horizontal then it cannot be 6sin(20) it should be 6
Question 9b
Question 10:
The integration question:
Vector question.
7a
Vector question.
The last one.
They said parallel to x axis. (1,0,0) is the simplest vector that goes in the direction of x axis. It's a unit vector as well so that's why I chose it. You can choose any vector in the form (s, 0,0), and it will be parallel to x axis.Why is the line's direction vector (1,0,0)
They said parallel to x axis. (1,0,0) is the simplest vector that goes in the direction of x axis. It's a unit vector as well so that's why I chose it. You can choose any vector in the form (s, 0,0), and it will be parallel to x axis.
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