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10 questions from this quiz
Both vary as 1r2\frac{1}{r^2}r21
Always attractive
Force per unit mass
Proportional to 1r\frac{1}{r}r1
Grav. force is attractive
Gradient of potential-distance graph
Perpendicular to field lines
Grav. unchanged, elec. affected
One quarter original value
Like charges (same sign)
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