The Work W (In Joules) Done When Lifting an Object

question 16

Multiple Choice

The work W (in joules) done when lifting an object varies jointly with the mass m (in kilograms) of the object and the height h (in meters) that the object is lifted. The work done when a 120-kilogram object is lifted 1.8 meters is 2116.8 joules. How much work is done when lifting a 190-kilogram object 1.5 meters?

• A) 2813 J
• B) 2773 J
• C) 2793 J
• D) 2803 J
• E) 2783 J

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Definitions:

Improvisation

The art of spontaneously creating something without preparation.

Self-correcting Feedback

A mechanism or process that automatically adjusts or corrects the direction of a system or behavior based on its performance or outcome.

Deliberately Ask

The act of posing questions with intention and focus, often to gain information or clarity on a topic.

Accomplishing

The act of achieving or completing a task, goal, or objective successfully through effort, skill, or courage.