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The ball of mas m moves with speed v aga...

The ball of mas `m` moves with speed `v` againest a smooth , fixed vertical circular groove of radius `R` kept on smooth horizontal surface find the
a. normal reaction of the floor or the ball.
b. normal reaction of the vertical wall on the ball.

Text Solution

Verified by Experts

The correct Answer is:
(i) mg, (ii) `(mv^(2))/(r)`
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Knowledge Check

  • A ball of mass m moves with speed v and it strikes normally with a wall and reflected back normally. If its time of contact with wall is t, then find the exerted by ball on the wall.

    A
    `(2mv)/t`
    B
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    mvt
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  • A ball of mass m=1kg strikes a smooth horizontal floor as shown in figure. The impulse exerted on the floor is

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    (a) `6.25Ns`
    B
    (b) `1.76Ns`
    C
    (c) `7.8Ns`
    D
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  • A ball of mass m moves with speed v and stricks a wall having infinite mass and it returns with same speed then the work done by the ball on the wall is

    A
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    B
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    C
    `m//v joules`
    D
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