MHT CET Physics question

A fly wheel is free to rotated about a horizontal axis passing through its centre and perpendicular to its plane A constant tangential force acting vertically downward produces

(A)An increase in its angular acceleration
(B)A constant angular acceleration vertically downward
(C)A constant angular acceleration in the horizontal planeCorrect
(D)An increasing torque on the flywheel

Answer: (C)

Solution

A constant tangential force gives a constant torque and hence a constant angular acceleration (along the horizontal axis, i.e. in

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Question ID VK-040301