What is the gravitational potential energy of a 5 kg object at a height of 10 m?

Practice Questions

Q1
What is the gravitational potential energy of a 5 kg object at a height of 10 m?
  1. 50 J
  2. 100 J
  3. 150 J
  4. 200 J

Questions & Step-by-Step Solutions

What is the gravitational potential energy of a 5 kg object at a height of 10 m?
  • Step 1: Identify the mass of the object. In this case, the mass (m) is 5 kg.
  • Step 2: Identify the height of the object above the ground. Here, the height (h) is 10 m.
  • Step 3: Know the acceleration due to gravity (g). On Earth, g is approximately 9.8 m/s².
  • Step 4: Use the formula for gravitational potential energy (PE), which is PE = m * g * h.
  • Step 5: Substitute the values into the formula: PE = 5 kg * 9.8 m/s² * 10 m.
  • Step 6: Calculate the result: 5 * 9.8 * 10 = 490 J.
  • Step 7: Conclude that the gravitational potential energy of the object is 490 Joules.
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