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A body of mass 8kg is in limiting equi'i...

A body of mass 8kg is in limiting equi'ibrium over an inclined plane of inclination `30^(@.` If the inclination is made `60^(@),` the minimum force required to prevent the body from sliding down is `(g = 10 ms ^(-2))`

A

80 N

B

`(80)/(sqrt3) N`

C

`(40 N)/(sqrt3)`

D

`40 sqrt3 N`

Text Solution

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The correct Answer is:
B
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A body of mass 4kg is kept in limiting equilibrium over an inclined plane of inclination 30^(@) . If the inclination is made 45^(@) , find minimum force required to prevent the body from sliding down (g=10ms^(-2))

A body of mass 4kg is kept in limiting equilibrium over an inclined plane of inclination 30^(@) . If the inclination is made 45^(@) , find minimum force required to prevent the body from sliding down (g=10ms^(-2))

Knowledge Check

  • A body of mass 8kg is in limiting equilibrium over an inclined plane of inclination 30^@ . If the inclination is made 60^@ , the minimum force required to prevent the body from sliding down is (g = 10ms^(-2))

    A
    80 N
    B
    `80/(sqrt3) N `
    C
    `(40 N)/(sqrt3)`
    D
    `40 sqrt(3) N`

  • A body of mass 8kg is in limiting equilibrium over an inclined plane of inclination 30%@ . If the inclination is made 60^@ , the minimum force required to prevent the body from sliding down is

    A
    80N
    B
    `(80)/(sqrt3) N`
    C
    `(40N)/(sqrt3)`
    D
    `40 sqrt3N`

  • A body of mass 8kg is in limiting equilibrium over an inclined plane of inclination 30%@ . If the inclination is made 60^@ , the minimum force required to prevent the body from sliding down is

    A
    80N
    B
    `(80)/(sqrt3) N`
    C
    `(40N)/(sqrt3)`
    D
    `40 sqrt3N`

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