A Solid Disk (I = MR²) That Is 10

question 116

Multiple Choice

A solid disk (I = MR²) that is 10 cm in diameter has a mass of 4 kg. The force applied at the outer surface required to produce an angular acceleration of 6 rad/s² about an axis through the center of the disc is

• A) 0.24 kN
• B) 0.12 kN
• C) 0.30 N
• D) 0.60 N
• E) 1.2 N

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Definitions:

Variable Input

A production input whose quantity can be changed in the short term to influence output.

Fixed

Related to something that is unchanging, constant, or securely attached and not subject to variation.

SAC Curves

Short-run average cost curves represent how a firm's average costs vary with output in the short term.

LAC Curves

Long Average Cost curves, which show the minimum average cost of production at different levels of output, assuming all production factors are variable.