A Man Pushes an 80-N Crate a Distance of 5

question 48

Multiple Choice

A man pushes an 80-N crate a distance of 5.0 m upward along a frictionless slope that makes an angle of 30°with the horizontal.His force is parallel to the slope.If the speed of the crate decreases at a rate of 1.5 m/s², then the work done by the man is:

• A)-200 J
• B)61 J
• C)140 J
• D)200 J
• E)400 J

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Definitions:

Normal Balance

The side of an account, either debit or credit, where increases to the account are recorded.

Accrued Expense

Expenses that have been incurred but not yet paid or documented in the financial statements through an accounting process.

Land

A natural resource that denotes the earth's surface not covered by water, as well as the rights to use this surface.

Store Fixtures

Permanent or movable equipment and furniture in a retail store, designed to display merchandise effectively.