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`        4). Pair of quantities having same dimensionalformula area) Force, Weightb) Velocity, Impulsec) Impulse, Inertiad) Angular momentum, Linear momentum`
3 years ago

```							First one.Because Force =massx acclerationand alsoWeight that isW = mghence both would have sam e dimensionthat is:MVT^-1
```
3 years ago
```							2nd one isVelocity =displacement divided by the time interval i.e s/t, thus diamensional formula becomes. [L^1T^-1]Now,Impulse is the integral of a force, F, over the time interval, t, for which it acts. Since force is a vector quantity, impulse is also a vector in the same direction.THUS, it have diamensional formula [L^1T^-1]THUS, VELOCITY AND IMPULSE HAVE DIAMENSIONAL FORMULA=[L^1T^-1]
```
2 years ago
```							(A) As force=mass × acceleration.Therefore MLT^-2.And weight=mass×acceleration.Therefore the dimension is MLT^-2. Hence (A )is the answer.
```
one year ago
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