A Solid Wheel with Mass M, Radius R, and Rotational

question 21

Multiple Choice

A solid wheel with mass M, radius R, and rotational inertia MR²/2, rolls without sliding on a horizontal surface.A horizontal force F is applied to the axle and the center of mass has an acceleration a.The magnitudes of the applied force F and the frictional force f of the surface, respectively, are:

• A)F = Ma, f = 0
• B)F = Ma, f = Ma/2
• C)F = 2Ma, f = Ma
• D)F = 2Ma, f = Ma/2
• E)F = 3Ma/2, f = Ma/2

Identify the role of emotional and rational appeals in sales messages.

Recognize the importance of choosing the appropriate medium and structure for sales messages.

Acknowledge the ethical considerations in framing sales messages.

Determine how to effectively organize persuasive messages for varied audiences.

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Definitions:

Profit

The financial gain achieved when the revenues generated from business activities exceed the expenses, costs, and taxes needed to sustain those activities.

Margin Of Safety

The extent to which sales can decline before a business reaches its breakeven point.

Variable Expenses

Costs that change in proportion to the level of production or sales activities.

Break-even Point

The point at which total revenue equals total costs, resulting in neither profit nor loss for the business.