A 30-Kg Block Is Dragged Over a Rough Horizontal Surface by by a Constant

question 8

Multiple Choice

A 3.0-kg block is dragged over a rough horizontal surface by a constant force of 16 N acting at an angle of 37 $\degree$ above the horizontal as shown. The speed of the block increases from 4.0 m/s to 6.0 m/s in a displacement of 5.0 m. What work was done by the friction force during this displacement?

• A)(-34
• B)(-64
• C)(-30
• D)(-94
• E)+64 J

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Definitions:

FOB Origin Pricing

A pricing term indicating that the buyer is responsible for freight costs and assumes risk for the goods once they leave the seller's premises.

Uniform Delivered Pricing

The price the seller quotes that includes all transportation costs.

Transportation Costs

Expenses associated with the process of moving goods or materials from one location to another.

Hi-Lo Pricing

A retail pricing strategy where prices are regularly discounted from higher listed prices, creating a sense of value and urgency among consumers.