Asked by Julie
The magnitude of the gravitational force of attraction between the two objects is F when they are placed a distance r apart on the earth's surface.What is the magnitude of the gravitational force of attraction between the two masses if:
a :the mass of one object is halved
b:the mass of both objects is halved
c:the distance between the centres of the two masses is halved
d:the distance between the two masses is increased by a factor of three
e:two masses are placed a distance r apart on the moon's surface?
a :the mass of one object is halved
b:the mass of both objects is halved
c:the distance between the centres of the two masses is halved
d:the distance between the two masses is increased by a factor of three
e:two masses are placed a distance r apart on the moon's surface?
Answers
Answered by
oobleck
F = GMm/d^2
(a) GM(m/2)/d^2 = 1/2 F
(c) GMm/(d/2)^2 = 4F
(e) no change in the force between the two masses, no matter where they are.
(a) GM(m/2)/d^2 = 1/2 F
(c) GMm/(d/2)^2 = 4F
(e) no change in the force between the two masses, no matter where they are.
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