Why do I need to use a paper clip when creating a paper helicopter?
Md Ariful Islam
বিএসসি(সিএসই)
,
এমবিএ(মার্কেটিং)
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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
It adds weight to the helicopter, keeping it upright. This is very important, or else the “wings” will flip as it is dropped.
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Answered