A Stationary Merry-Go-Round of Radius 6 Feet Is Started in Motion

question 15

Multiple Choice

A stationary merry-go-round of radius 6 feet is started in motion by a push consisting of a force of 15 pounds on the outside edge, tangent to the circular edge of the merry-go-round, for 2 seconds. The moment of inertia of the merry-go-round is . Find the resulting angular velocity of the merry-go-around.

• A) 5 rad/sec
• B) 10 rad/sec
• C) 4 rad/sec
• D) 9 rad/sec

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Definitions:

Milkfish

A tropical marine fish important as food in Southeast Asia, known scientifically as Chanos chanos, often farmed in brackish water ponds.

Protostomes

A group of animals in which the mouth develops before the anus during early embryonic development.

Cephalization

The concentration of nerve tissue and sensory organs at the anterior end of an organism, leading to the formation of a head region.

Bilateral Symmetry

A condition where an organism can be divided into two identical halves along a single plane.