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.Management Sciences
Category: Circular Motion
If a body of mass 10 kg is allowed to fall freely, its weight becomes______________?
A. 0
B. 89N
C. 9.8 N
D. 10N
The rotational K.E of the hoop is equal to the______________?
A. its translational K.E
B. half than its translational K.E
C. double than its translational K.E
D. four times than its translational K.E
A body can have constant velocity when it follows a_____________?
A. Elliptical path
B. Circular path
C. Parabolic path
D. Rectilinear path
The period of a circular motion is given by_______________?
A. T = πv
B. T = πw
C. T = 2πr
D. T = 2πr/v
If we whirl a stone at the end of a string in the vertical circle, it is likely to break when the stone is________________?
A. At the highest point
B. At the lowest point
C. At any point during motion
D. At the point where gravity is not acting
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