- #1
Westin
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Homework Statement
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1)Which describes the 1D gravitational force in this figure. (+x is to the right.)
a)Something else.
b)Fgrav=−GMmx2
c)Fgrav=+GMmx22)In moving the little mass m from x1 to infinity the force of gravity does _____________ work.
a) positive
b) negative
c) no
I added an attachment for the figure
Homework Equations
The Attempt at a Solution
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I only have one attempt at it so I want to make sure my logic is right.
1) I think the answer is Fgrav=−GMmx2 because the little mass is going away from the gravitational pull
2) Because of my explanation in #1, I believe the answer is negative