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Impulse

The SI unit o...

Question

The SI unit of impulse is:

$N m^{- 2}$

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$N s$

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$N m^{- 1}$

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$N m$

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Solution

The correct option is B
$N s$

When a force acts on a body for a period of time, then the product of force and time is known as impulse. Impulse is also equal to the magnitude of change in momentum. Hence, the SI unit of impulse is $k g m s^{- 1}$ or $N s$ .

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Similar questions

If $m \neq n$ then $(m + n)^{- 1} \times (m^{- 1} + n^{- 1}) =$ ______

S_{n} = \sum_{r = 1}^{n} T_{r} = n (n + 1) (n + 2) (n + 3)

\sum_{r = 1}^{n} \frac{1}{T}

\frac{S_{m}}{S_{n}} = \frac{m^{2}}{n^{2}}, then \frac{a_{m}}{a_{n}} =

\frac{2 m + 1}{2 n + 1}

\frac{2 m - 1}{2 n - 1}

\frac{m - 1}{n - 1}

\frac{m + 1}{n + 1}

A

1 k g

2 m / s

B

1.5 k g

4 m / s

B

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