a childs weight when an elevator is not moving is 80lbs. what does the scale read when the elevator accel. 1 g

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a childs weight when an elevator is not moving is 80lbs. what does the scale read when the elevator accel. 1 g

the child is standing on a scale while riding in the elevator and when the elevator is not moving he weighs 80 lbs. when the elevator accelerates upward at one g what will his weight be?

2007-05-03 11:29:21 · 4 answers · asked by Julia G 1 in Science & Mathematics ➔ Physics

4 answers

Twice his normal weight. He feels one g down from gravity and one more g down from his reference frame accelerating up. So he feels 2g's total and his weight doubles.

2007-05-03 11:38:07 · answer #1 · answered by Anonymous · 0⤊ 0⤋

if the child were standing on a scale it would read 160 lbs

2007-05-03 11:35:48 · answer #2 · answered by odu83 7 · 1⤊ 0⤋

an additional 1x body weight - 160lbs

2007-05-03 20:42:39 · answer #3 · answered by Frozzangel 3 · 0⤊ 0⤋

an additional 1x body weight - 160lbs

2007-05-03 11:58:31 · answer #4 · answered by Pete S 3 · 0⤊ 0⤋