Which of the arrangements of the masses would enable the child to twirl the rod most easily, as might a cheerleader?
a. With the weights as far as possible from the middle.
b. With the weight as close to the middle as possible (assuming there was a convenient place to hold the rod with this arrangement).
c. The location of the masses would not affect the ability to easily twirl the rod.
b
You might also like to view...
X-ray and ?-ray NDT detect differences in _________in materials.
Fill in the blank(s) with the appropriate word(s).
According to current scientific estimates, when did the Big Bang occur?
A) about 10 billion years ago B) about 65 million years ago C) about 4.5 billion years ago D) about 14 billion years ago E) about 20 billion years ago
With what color light would you expect to be able to see the finest detail when using a microscope?
A) red, because of its long wavelength B) yellow, because of its intermediate wavelength C) blue, because of its shorter wavelength D) The color does not matter.
While an iron block near the Earth's surface is in free fall downward, it undergoes an increase in
A) Speed B) Acceleration C) Both of these D) Neither of these