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In the figure given below, two particles...

In the figure given below, two particles of masses m and 2m are fixed in place on an axis. Where on the axis can a third particle of mass 3m be placed (other than at infinity) so that the gravitational force on it from the first two particles is zero?

A

`3q(t)/(2)`

B

`5q(l)/(2)`

C

ql

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • The reduce mass of two particles having masses m and 2 m is

    A
    2 m
    B
    3 m
    C
    2 m/3
    D
    m/2

  • A mass m is placed at point P lies on the axis of a ring of mass M and radius R at a distance R from its centre. The gravitational force on mass m is

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    `(GMm)/(2R^(2))`
    C
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    D
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