A 30-N Box Is Pulled Upward 6

question 5

Multiple Choice

A 30-N box is pulled upward 6.0 m along the surface of a ramp that rises at 37° above the horizontal.How much work does gravity do on the box during this process?

• A)-1100 J
• B)-110 J
• C)-140 J
• D)-180 J
• E)120 J

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Definitions:

Legal Obligation

A duty enforced by law that requires a person or entity to act or refrain from acting in a certain way.

Crane

A large, tall machine used for moving heavy objects by suspending them from a projecting arm or beam.

Forklift

A powered industrial truck used for lifting and moving materials over short distances, commonly found in warehouses and manufacturing facilities.

Restrictive Covenant

A private restriction on the use of land. If its benefit or obligation passes with the land’s ownership, it is said to “run with the land.”