Two equal positive charges q are fixed at points

Asked by admin @ 17/08/2021 in Physics viewed by 353 People

Two equal positive charges q are fixed at point (a, 0) and (-a, 0) on x axis and opposite charge - q at rest is released from (0,a) on y-axis. The charge minus q will be a) move to infinity b) moved to origin and rest there c) under go shm about the origin d) execute oscillatory periodic motion but not shm

Answered by admin @ 17/08/2021

Two equal positive charges are placed at two points on the x- axis , a charge of opposite charge that is negative charge is released at a point on the y- axis, as we know that the 2 unlike charges attract each other the force of attraction acts between the positive charges and the negative charge.

When the charge of -q is released , both the positive charges present along the x-axis attract the negative charge in such a way that the horizontal component of force cancels each other and the net force will be in downward direction towards the origin. When the particles crosses the origin the net force acts on the particle but in vertical direction. Thus the particle executes periodic oscillatory motion.

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Two equal positive charges q are fixed at points

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