According to Newton s second law of moti...

According to Newton s second law of motion `F =ma` where `F` is the force required to produce an acceleration a in a body of mass m If a = 0 then `F = 0` no external force is required to move a body uniformly along a straight line If a force `F` acts on a body for t seconds the effect of the force is given by Impulse =F `xx` t = change in linear momentum of the body
The retardation of the ball is .

`1600m//s^(2)`

`320m//s^(2)`

`3200m//s^(2)`

`160m//s^(2)`

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The correct Answer is:

As `F = ma :. a = (F)/(m) = (480)/(150 xx 10^(-3))~~ 3200m//s^(2)` .

According to Newton s second law of motion F =ma where F is the force required to produce an acceleration a in a body of mass m If a = 0 then F = 0 no external force is required to move a body uniformly along a straight line If a force F acts on a body for t seconds the effect of the force is given by Impulse =F xx t =change in linear momentum of the body Average force exerted by the bat is .

`480N`

`120N`

`1200N`

`840N`

`7 .4N-s`

`4.8N-s`

`1.2N -s`

`4.7N-s`

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If both, Assertion and Reason are true but Reason is not a correct explanation of the Assertion

If Assertion is ture but the Reason is false

If both, Assertion and Reason are false