Asked by Anonymous
Two masses are attracted by a gravitational force of 0.55 N.
(a) What will the force of attraction be if the distance between the two masses doubled?
(a) What will the force of attraction be if the distance between the two masses doubled?
Answers
Answered by
oobleck
since F is inversely proportional to the square of the distance,
if F = GMm/r^2 then if r is doubled,
F' = GMm/(2r)^2 = 1/4 GMm/r^2 = 1/4 F
if F = GMm/r^2 then if r is doubled,
F' = GMm/(2r)^2 = 1/4 GMm/r^2 = 1/4 F
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