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Ammu ,a second class student of mass 15 ...

Ammu ,a second class student of mass 15 kg is sliding over a slide inclined at an angle of `30^@` but her motion stopped at the middle of the side .What would be the reson for this ?

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Because here the net force acting on Aradhya is zero.
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Knowledge Check

  • A brick of mass 2kg begins to slide down on a plane inclined at an angle of 45^(@) with the horizontal. The force of friction will be

    A
    `19.6sin45^(@)`
    B
    `19.6cos45^(@)`
    C
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    D
    `9.8cos45^(@)`

  • A brick of mass 2kg just begins to slide down on inclined plane at an angle of 45^(@) with the horizontal. The force of friction will be

    A
    `19.6 sin 45^(@)`
    B
    `19.6cos45^(@)`
    C
    `9.8sin 45^(@)`
    D
    `9.8cos 45^(@)`

  • A body of mass 100 g is sliding from an inclined plane of inclination 30^(@) . What is the frictional force experienced if mu=1.7 .

    A
    `1.7xxsqrt(2)xx(1)/(sqrt(3))N`
    B
    `1.7xxsqrt(3)xx(1)/(2)N`
    C
    `1.7xxsqrt(3)N`
    D
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    A block of mass 8 kg is sliding on a surface inclined at an angle of 45^(@) with the horizontal. Calculate the acceleration of the block. The coefficient of friction between the block and surface is 0.6. (Take g=10m//s^(2) )

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