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Q. The engine of a car produces an acceleration of $6 \, ms^{- 2}$ in the car. If this car pulls another car of the same mass, then the acceleration would be,

NTA AbhyasNTA Abhyas 2022

Solution:

Let, mass of car $=m$ .
​​​​​​Force applied by engine $=6m$ .
When two cars are pulled, $\left(m + m\right)a=6m$
or $2ma=6m$ or $a=3ms^{- 2}$ ,