if area is 20 units along y-z plane then why we take area vector as 20i
Asked by nutan sathyanarayanarayanappa | 7th Jul, 2013, 09:39: AM
Area vector is defined in the direction perpendicular to the plane in which the surface actually lies. So, here in this case, the surface lies in the y-z plane and hence, area vector would be defined in the plane perpendicular to y and z i.e. (y x z) = i plane.
Also, the magnitude of the area vector is equal to the area of the surface.
Hence area vector = 20i.
Answered by | 8th Jul, 2013, 06:07: PM
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