Potential Energy
A block of mass 2 kg is raised to a height of 10 m above the ground. What is the increase in its potential energy? (g = 10 m/s²)
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About This Question
- Subject
- physics
- Chapter
- work, energy and power
- Topic
- potential energy
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
200 J
- Definition: The gravitational potential energy of a body near the Earth's surface is given by its height relative to a reference level.
- Formula: U=mgh.
- Identify Data:
- m=2 kg.
- g=10 m/s2.
- h=10 m.
- Calculation: U=2×10×10=200 J.
- Result: The increase in potential energy is 200 Joules.
This easy difficulty physics question is from the chapter work, energy and power, covering the topic of potential energy. It appeared in the 2025 exam.
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