m1 is a stationary sphere with charge q1. m2 is suspended from the ceiling by a

Question

m1 is a stationary sphere with charge q1. m2 is suspended from the ceiling by a string and has charge q2. m1 and m2 are conducting spheres of the same size but varying masses. q1 and q2 have the same sign.

From the combinations below, rank the angle the string will form with the vertical from highest to lowest value.

Highest 1________ 2________ 3_______ 4________ 5________ 6________ Lowest

Or, all of the angles are the same. _______

Please carefully explain your reasoning.

Explanation / Answer

magnitude of electrostatic force will be larger than magnitude of gravitational force

Electrostatic force depends on q1*q2
So, greater q1*q2 , means greater angle

if q1*q2 is same, then graeter mass of m2 will means smaller angle because m2*g will try to pull m2 downward

Highest to lowest it will be:
C ----> Highest
E
F
B
A
D ---> Lowest

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