Work: in the Figure, a 700-Kg Crate Is on a Rough

question 92

Multiple Choice

Work: In the figure, a 700-kg crate is on a rough surface inclined at 30°. A constant external force P = 5600 N is applied horizontally to the crate. As the force pushes the crate a distance of 3.00 m up the incline, the speed changes from 1.40 m/s to 2.50 m/s. How much work does gravity do on the crate during this process?

• A) -10,300 J
• B) -3400 J
• C) +10,300 J
• D) +3400 J
• E) zero

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Definitions:

Window Size

In computing, the dimensions (height and width) of a window element in a graphical user interface, or in networking, the amount of data that can be transmitted before waiting for an acknowledgment.

Pattern

A repeated decorative design or sequence in data, objects, or behaviors, often observed for analysis or prediction.

Directions Thoroughly

Detailed and comprehensive guidance or instructions for achieving a task or reaching a destination.

Physical Applications

The practical use of physical principles and theories in real-world scenarios, such as engineering or technology.