AIIMS 25 May 2019 Morning Question Paper with solutions for online practice

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Question : 28 of 166

Marks: +1, -0

If potential energy is given by U=

a

r2

−

b

r

.Then find out maximum force.(Given a=2,b=4)

−
16
27
N
−
32
27
N
+
32
27
N
+
16
27
N

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