Introduction
Quick practice
Question 1 of 5
When a mass is rotating in a plane about a fixed point, its angular momentum is directed alongĀ
A
Ā the line making an angle of 45o to the plane of rotationĀ
B
Ā the tangent to the orbit.Ā
C
a line perpendicular to the plane of rotationĀ
D
Ā the radiusĀ
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