What is the gravitational potential energy of a 2 kg object at a height of 10 m?

Practice Questions

Q1
What is the gravitational potential energy of a 2 kg object at a height of 10 m? (2023)
  1. 20 J
  2. 15 J
  3. 10 J
  4. 25 J

Questions & Step-by-Step Solutions

What is the gravitational potential energy of a 2 kg object at a height of 10 m? (2023)
  • Step 1: Identify the mass of the object. In this case, the mass (m) is 2 kg.
  • Step 2: Identify the height of the object above the ground. Here, the height (h) is 10 m.
  • Step 3: Use the acceleration due to gravity. On Earth, this is approximately 9.8 m/s².
  • Step 4: Use the formula for gravitational potential energy (PE), which is PE = mgh.
  • Step 5: Substitute the values into the formula: PE = 2 kg × 9.8 m/s² × 10 m.
  • Step 6: Calculate the result: 2 × 9.8 × 10 = 196 J.
  • Step 7: Conclude that the gravitational potential energy of the object is 196 Joules.
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