Asked by Anonymous
A 13.7 N force is sufficient to keep an object moving in a circle of radius 15.4 meters. How much force in Newtons is needed to keep it moving with the same speed in a circle of 26.5 meters?
Answers
Answered by
Damon
F = m a = m v^2/R
13.7 = m v^2/15.4
m v^2 = 15.4 * 13.7
now same m, same v
15.4 *13.7 /26.5 = new F
13.7 = m v^2/15.4
m v^2 = 15.4 * 13.7
now same m, same v
15.4 *13.7 /26.5 = new F
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