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Question: The dimensional formula for impulse is same as the dimensional formula for...

The dimensional formula for impulse is same as the dimensional formula for

A

(a) Momentum

A

(b) Force

A

(c) Rate of change of momentum

A

(d) Torque

Explanation

Solution

(a)

Sol. Momentum = mv=[MLT−1]mv = \lbrack MLT^{- 1}\rbrack

Impulse = Force ×\times Time

= [MLT−2]×[T]=[MLT−1]\lbrack MLT^{- 2}\rbrack \times \lbrack T\rbrack = \lbrack MLT^{- 1}\rbrack