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A heavy body of mass 25kg is to be dragg...

A heavy body of mass `25kg` is to be dragged along a horizontal plane (`mu` = `(1)/(sqrt(3))`. The least force required is `(1 kgf = 9.8 N)`

A

25 kgf

B

2.5 kgf

C

i 2.5 kgf

D

50 kgf

Text Solution

Verified by Experts

The correct Answer is:
C
`F_("min") = (mu mg)/(sqrt(1 + mu^(2)))`
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