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If a 4 kg object is lifted to a height of 2 m, what is the work done against gra
If a 4 kg object is lifted to a height of 2 m, what is the work done against gravity? (2021)
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If a 4 kg object is lifted to a height of 2 m, what is the work done against gravity? (2021)
40 J
80 J
20 J
60 J
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Work done = mass × g × height = 4 kg × 10 m/s² × 2 m = 80 J
Questions & Step-by-step Solutions
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Q: If a 4 kg object is lifted to a height of 2 m, what is the work done against gravity? (2021)
Solution:
Work done = mass × g × height = 4 kg × 10 m/s² × 2 m = 80 J
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