Which of the following is the correct expression for gravitational potential ene

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Question: Which of the following is the correct expression for gravitational potential energy (U) of an object of mass m at a height h? (2020)

Options:

Correct Answer: mgh

Exam Year: 2020

Solution:

The gravitational potential energy is given by U = mgh, where h is the height above the reference point.

Which of the following is the correct expression for gravitational potential energy (U) of an object of mass m at a height h? (2020)

Which of the following is the correct expression for gravitational potential energy (U) of an object of mass m at a height h? (2020)

Step 1: Understand that gravitational potential energy (U) is the energy an object has due to its position in a gravitational field.
Step 2: Identify the variables involved: 'm' is the mass of the object, 'g' is the acceleration due to gravity, and 'h' is the height above a reference point.
Step 3: Recognize that gravitational potential energy increases with height, meaning the higher the object is, the more potential energy it has.
Step 4: The formula for gravitational potential energy is derived from the relationship between these variables, which is U = mgh.

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