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A block of mass 2 kg is lifted to a height of 5 m. What is the work done against gravity? (g = 9.8 m/s²)

Practice Questions

1 question
Q1
A block of mass 2 kg is lifted to a height of 5 m. What is the work done against gravity? (g = 9.8 m/s²)
  1. 98 J
  2. 196 J
  3. 49 J
  4. 20 J

Questions & Step-by-step Solutions

1 item
Q
Q: A block of mass 2 kg is lifted to a height of 5 m. What is the work done against gravity? (g = 9.8 m/s²)
Solution: Work done = mgh = 2 kg * 9.8 m/s² * 5 m = 98 J.
Steps: 0

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