what will be the weight of man if an elevator is moving downward with an acceleration of 4.9ms^-2?
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what will be the weight of man if an elevator is moving downward with an acceleration of 4.9ms^-2?
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Answer: 4.9m N or ½ of original weight.
Explanation: If the elevator is going down, the man will feel lighter.
So net acceleration will be g - a = 9.8 m/s² - 4.9 m/s² = 4.9 m/s²
We know that initial weight = ma = 9.8m N
Final weight = ma = 4.9m N
So his weight will be ½ of his original weight.
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