Rotational Motion Part 2

Section: Physics

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Question : 83 of 100

Marks: +1, -0

M

hangs on a massless rod of length

/

which rotates at a constant angular frequency. The mass

M

moves with steady speed in a circular path of constant radius. Assume that the system is in steady circular motion with constant angular velocity

\omega

. The angular momentum of

M

A

L_{A}

which lies in the positive

z

-direction and the angular momentum of

M

B

L_{B}

. The correct statement for this system is

[17 Mar 2021 Shift 1]

$L_{A}$ and $L_{B}$ are both constant in magnitude and direction
$L_{B}$ is constant in direction with varying magnitude
$L_{B}$ is constant, both in magnitude and direction
$L_{A}$ is constant, both in magnitude and direction

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