There is a uniform, solid cuboid box of mass 12 kg that has a length o

1.	There is a uniform, solid cuboid box of mass 12 kg that has a length of 5 meters, breadth of 2 meters, and a height of 3 meters. The box rotates about the axis AB, that lies along one of the 2-meter edges, as shown in the figure. Find the moment of inertia of the box about the axis AB.
Answer» ANSWER: GIVEN that 2 1 Iω 2 = 2 1 MV 2 ∴ 2 1 ×5kgm 2 ×6 2 rad/s= 2 1 ×20kg×v 2 ∴v 2 =9 ∴v=3m/s

There is a uniform, solid cuboid box of mass 12 kg that has a length of 5 meters, breadth of 2 meters, and a height of 3 meters. The box rotates about the axis AB, that lies along one of the 2-meter edges, as shown in the figure. Find the moment of inertia of the box about the axis AB.

Answer»

ANSWER:

GIVEN that

Iω

∴

×5kgm

×6

rad/s=

×20kg×v

∴v

∴v=3m/s

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There is a uniform, solid cuboid box of mass 12 kg that has a length of 5 meters, breadth of 2 meters, and a height of 3 meters. The box rotates about the axis AB, that lies along one of the 2-meter edges, as shown in the figure. Find the moment of inertia of the box about the axis AB.

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