A Mechanic Is Examining the Wheel of a Bicycle to Adjust

question 29

Multiple Choice

A mechanic is examining the wheel of a bicycle to adjust the brake.With the bicycle off the ground,he manually rotates the wheel until it reaches an angular speed of 12.0 rad/s and then allows it to coast to a stop.If the wheel has a moment of inertia of 0.100 kg ∙ m²,and the wheel slows uniformly to a stop in 160 s,what is the magnitude of the retarding torque?

• A)1.00 N ∙ m
• B)0.00750 N ∙ m
• C)0.0787 N ∙ m
• D)1.33 N ∙ m
• E)1.67 N ∙ m

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Definitions:

Variable Costs

Charges that adjust in line with the scale of production or sales figures.

Variable Overhead Efficiency Variances

The difference between the actual variable overhead incurred and the standard cost of variable overhead that should have been incurred based on efficient operations.

Fixed Overhead Volume Variances

The difference between the budgeted and actual fixed overhead costs, attributed to changes in production volume.

Flexible Budget

A budget that adjusts or varies with changes in volume or activity levels.