A Phonograph Record Is Dropped onto a Freely Spinning Turntable

question 9

Multiple Choice

A phonograph record is dropped onto a freely spinning turntable.Then:

• A)neither angular momentum nor mechanical energy is conserved because of the frictional forces between record and turntable
• B)the frictional force between record and turntable increases the total angular momentum
• C)the frictional force between record and turntable decreases the total angular momentum
• D)the total angular momentum remains constant
• E)the sum of the angular momentum and rotational kinetic energy remains constant

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Definitions:

Horizontal Structure

An organizational design that minimizes hierarchical levels, promoting a decentralized decision-making process, and encouraging collaboration across departments.

Vertical Structure

An organizational layout where each level of management reports to a higher level, creating a hierarchy of authority.

Functional Structure

An organizational design that groups employees by their specialized roles or functions, such as marketing or finance.

Network Structure

The arrangement and interconnection of nodes in a network, including how data flows and is managed within the network.