Four point masses are placed at four corners of a square as shown. When positions of \( m \) and... VIDEO
Four point masses are placed at four corners of a square as shown. When positions of \( m \) and \( 2 m \)
\( \mathrm{P} \) are interchanged
(a) gravitational field strength at centre will increase
(b) gravitational field strength at centre will decrease
(c) gravitational potential at centre will remain unchanged
(d) gravitational potential at centre will decrease
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