A 40-Kg Block Is Lowered Down a 37° Incline a Distance

question 2

Multiple Choice

A 4.0-kg block is lowered down a 37° incline a distance of 5.0 m from point A to point B. A horizontal force (F = 10 N) is applied to the block between A and B as shown in the figure. The kinetic energy of the block at A is 10 J and at B it is 20 J. How much work is done on the block by the force of friction between A and B?

• A)−58 J
• B)−53 J
• C)−68 J
• D)−63 J
• E)−47 J

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Definitions:

Petty Cash Fund

Petty cash fund is a small amount of cash kept on hand for making immediate payments for minor and incidental expenses.

Perpetual Inventory System

An inventory management system where inventory levels are updated in real-time or on a continuous basis following each purchase or sale transaction.

General Journal

A primary accounting record used to record all types of transactions and events in chronological order before they are posted to specific accounts.

Internal Control

Approaches and techniques employed by a business to protect the veracity of accounting and financial information, foster answerability, and inhibit dishonesty.