Original post by e^x
The writing above says:
Consider a rotation of the radius vector through a small angle dtheta
Consider a rotation of the radius vector through a small angle dtheta
when you differentiate a unit vector which is a function of theta, it rotates by pi/2 anticloclockwise
Original post by TeeEm
when you differentiate a unit vector which is a function of theta, it rotates by pi/2 anticloclockwise
Ah right thanks
Original post by e^x
Ah right thanks
I think I have a sensible proof somewhere if you give me a while
Original post by TeeEm
I think I have a sensible proof somewhere if you give me a while
How can I observe that fact from the diagram?
Original post by e^x
How can I observe that fact from the diagram?
It very difficult from there as your lecturer differentiates the unit vector by "vector differentiation from first principles"
Original post by TeeEm
I think I have a sensible proof somewhere if you give me a while
Original post by e^x
The writing above says:
Consider a rotation of the radius vector through a small angle dtheta
Consider a rotation of the radius vector through a small angle dtheta
Here is my Notes/Proof
Original post by TeeEm
Here is my Notes/Proof
Thanks a lot
Original post by e^x
Thanks a lot
my pleasure
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