Introduction to Gravitational Potential Energy with Zero Line Examples

Introduction to Gravitational Potential Energy with Zero Line Examples

Assessment

Interactive Video

Physics, Science

11th Grade - University

Hard

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The video tutorial explains gravitational potential energy, represented by PE or U with a subscript g. It covers the formula mgh, where m is mass, g is gravity, and h is height. The concept of the horizontal zero line is crucial for determining potential energy, which can be positive, negative, or zero based on the object's position relative to this line. The tutorial emphasizes the importance of setting the horizontal zero line and concludes with a discussion on units of measurement, highlighting that gravitational potential energy is measured in joules.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the symbol for gravitational potential energy?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how gravitational potential energy is calculated.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the variable 'h' represent in the gravitational potential energy formula?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens to gravitational potential energy when an object is below the horizontal zero line?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the location of the horizontal zero line affect gravitational potential energy?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important to identify the horizontal zero line when solving problems involving gravitational potential energy?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the units of gravitational potential energy?

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