First slide
Electrostatic force
Question

Three positive point charges q1,q2, and q3 form an isolated system. Suppose the charges have generated a property due to which like charges also attract. The charges are moving along a circle with same speed maintaining angles as shown in the figure. The charge q1 experiences a force f1 due to other two charges. Similarly, q2 experiences a force f2 and q3, a force f3. The ratio f1:f2:f3, the ratio of masses of the charge particles q1, q2, and q3 is

Moderate
Solution

Since magnitude of forces is proportional to m as f=mv2/r,

m1:m2:m3=1:3:2

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