anonymous
  • anonymous
A fly is "sitting" on the inside wall of a closed bottle. The bottle is standing on a scale. The fly "leaves" the wall and starts flying around inside the bottle. Does the weight that scale shows increase, decrease or remain unchanged?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
remains the same..i guess...cuz flyinf wont change d weight
anonymous
  • anonymous
The weight remains the same. For a weight to act, the object must exert a force or may exert pressure on another object or gas
anonymous
  • anonymous
Thank you both :)

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anonymous
  • anonymous
It will remain constant only if the fly moves with constant speed. If it moves ,for eg ,up with increasing speed, the scale will go up.
Shane_B
  • Shane_B
Assuming the scale is sensitive enough to even measure a difference I believe @Diwakar's answer is the most correct. Whether it's sitting on the wall or flying around the bottle it must exert a downward force to counteract gravity. If it's accelerating the force acting on the scale will obviously change...at a constant speed it will be constant.
anonymous
  • anonymous
i think the wight will decrease due to the fact that the bottle + the fly read same value but now the fly is now in air and not on the bottle . so there for the wight will change
Shane_B
  • Shane_B
@emekaojei: The fly, even in the air above the bottle, must exert a downward force when flying.
anonymous
  • anonymous
ok. than sir
anonymous
  • anonymous
I think my question was a little unclear as written. "When the fly is "sitting" on the wall, the scale shows weight A. Does it still show weight A when the fly starts flying around" Would've been a better explanation of the problem. Are you guys still at the same conclusion?
Shane_B
  • Shane_B
My answer still stands :)

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