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A body of weight 20N is on a horizontal ...

A body of weight 20N is on a horizontal surface, minimum force applied to pull it when applied force makes an angle `60^(@)` with horizontal (angle of friction `theta= 30^(@))` is

A

20N

B

`20 sqrt3 N`

C

`(20)/(sqrt3) N`

D

`20N`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • A body of weight 20N is on a horizontal surface, minimum force applied to pull it when applied force makes an angle 60^(@) with horizontal (angle of friction a = 30^(@) ) is

    A
    20 N
    B
    `20 sqrt3` N
    C
    `(20)/(sqrt3)` N
    D
    20 N

  • A body of weight 20N is on a horizontal surface, minimum force applied to pull it when applied force makes an angle 60^(@) with horizontal (angle of friction a = 30^(@) ) is

    A
    20 N
    B
    `20sqrt(3)N`
    C
    `(20)/(sqrt(3))N`
    D
    20 N

  • A body of weight 20N is on a horizontal surface, minimum force applied to pull it when applied force makes an angle 60° with horizontal (angle of friction a = 30°) is

    A
    20 N
    B
    `20sqrt(3)N`
    C
    `20/sqrt(3)`N
    D
    20 N

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