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A mass 'm' is lifted to a height 'h' above the Earth's surface. What is the chan
A mass 'm' is lifted to a height 'h' above the Earth's surface. What is the change in gravitational potential energy?
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A mass 'm' is lifted to a height 'h' above the Earth's surface. What is the change in gravitational potential energy?
mgh
mg(h + R)
mgR
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The change in gravitational potential energy when a mass m is lifted to a height h is given by ΔU = mgh.
Questions & Step-by-step Solutions
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Q: A mass 'm' is lifted to a height 'h' above the Earth's surface. What is the change in gravitational potential energy?
Solution:
The change in gravitational potential energy when a mass m is lifted to a height h is given by ΔU = mgh.
Steps: 6
Show Steps
Step 1: Understand that gravitational potential energy is the energy an object has due to its position in a gravitational field.
Step 2: Identify the mass 'm' that is being lifted.
Step 3: Identify the height 'h' to which the mass is lifted above the Earth's surface.
Step 4: Recognize that 'g' is the acceleration due to gravity, which is approximately 9.81 m/s² on Earth.
Step 5: Use the formula for change in gravitational potential energy, which is ΔU = mgh.
Step 6: Substitute the values of 'm', 'g', and 'h' into the formula to calculate the change in gravitational potential energy.
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