Physics, 14.07.2020 18:01 chasidystanford56
A balloon and a mass are attached to a rod that is pivoted at P.
The balloon is filled with helium, a gas less dense than air, so that it applies an upward force on
the rod.
The rod is horizontal and stationary.
Which action causes the rod to rotate clockwise?
A Move both the balloon and mass 10 cm to the left.
B Move both the balloon and mass 10 cm to the right.
C Move both the balloon and mass to the 25 cm mark.
D Move the balloon to the 20 cm mark and the mass to the 30 cm mark.
Answers: 1
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A balloon and a mass are attached to a rod that is pivoted at P.
The balloon is filled with helium,...
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