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Grade: 12th pass
        
In Fig. 24, a needle has been placed in each end of a broomstick, the tips of the needles resting on the edges of filled wine
glasses. The experimenter strikes the broomstick a swift and
sturdy blow with a stout rod. The broomstick breaks and
falls to the floor but the wine glasses remain in place and no
wine is spilled. This impressive parlor stunt was popular at
the end of the last century. What is the physics behind it? (If
you try it, practice first with empty soft drink cans. Come to
think of it, you might ask your physics instructor to do it, as
a lecture demonstration!)
2 years ago

Answers : (1)

Arun
23340 Points
							As the experimenter strikes to the middle of broomstick, there is an upward force will act on one of the needle and the same amount of downward force will act on another middle of the broomstick. Therefore the broomstick breaks and falls to the floor but there is no impact on the wine glasses. That is why, even though the broomstick breaks and falls to the floor, the wine glasses remain in place and no wine is spilled.
						
2 years ago
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Course Features

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Course Features

  • 110 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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