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10 questions from this quiz
Work done per unit mass from infinity
Zero
It becomes negative
V=−GMrV = -\frac{GM}{r}V=−rGM
mΔVm \Delta VmΔV
Surfaces with same potential everywhere
No work is required
V∝1rV \propto \frac{1}{r}V∝r1
g=−ΔVΔrg = -\frac{\Delta V}{\Delta r}g=−ΔrΔV
Gravitational potential difference
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