Two smsll sphere each of mass 0.05 g are suspended by silk thread from same point . When given equal charges the separate the thread making an angle of 10 degree with each other . What is the force of repulsion.

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Solution

dear student

let T be the tension and mg be the weight

by force resolution

Tsin 5=repulsive force

T cos5=mg

on solving, and putting the value for N we get repulsive force =8.5 x 10^-5 N

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Two smsll sphere each of mass 0.05 g are suspended by silk thread from same point . When given equal charges the separate the thread making an angle of 10 degree with each other . What is the force of repulsion.

dear student let T be the tension and mg be the weight by force resolution Tsin 5=repulsive force T cos5=mg on solving, and putting the value for N we get repulsive force =8.5 x 10^-5 N

dear student

let T be the tension and mg be the weight

by force resolution

Tsin 5=repulsive force

T cos5=mg

on solving, and putting the value for N we get repulsive force =8.5 x 10^-5 N