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A 4 kg object is lifted to a height of 2 m. What is the work done against gravity? (2022)

Practice Questions

1 question
Q1
A 4 kg object is lifted to a height of 2 m. What is the work done against gravity? (2022)
  1. 40 J
  2. 80 J
  3. 20 J
  4. 60 J

Questions & Step-by-step Solutions

1 item
Q
Q: A 4 kg object is lifted to a height of 2 m. What is the work done against gravity? (2022)
Solution: Work done = mass × g × height = 4 kg × 10 m/s² × 2 m = 80 J
Steps: 0

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