Author Question: How could the children in this photo best improve their balance with the help of two equal-mass ... (Read 41 times)

sam.t96 · **on:** Jul 28, 2018

How could the children in this photo best improve their balance with the help of two equal-mass weights?
a. Hold one weight in each hand with arms extended as shown in the photo.
b. Attach a weight to each ankle.
c. Place a weight in each of their left and right pockets in their trousers.
d. Hold one weight in each hand with arms held down instead of extended.
e. Hold one weight in each hand with one arm extended and one held down.

Question 2

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.