Consider two forces 6 N and 4 N as shown in below figure acting on an object in the opposite directions. The mass of the object is 2 kg. What is the acceleration of the object?

$4 m s^{- 2}$

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$3 m s^{- 2}$

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$2 m s^{- 2}$

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$1 m s^{- 2}$

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Solution

The correct option is D
$1 m s^{- 2}$

Given, the two forces, $F_{1} = 6 N$ and $F_{2} = 4 N$ and mass of the object, $m = 2 k g$
Since both the forces are acting in opposite directions, $F_{n e t} = F_{1} - F_{2}$
$\Rightarrow F_{n e t} = 6 - 4 = 2 N$
From second law of motion, we have F = ma
Therefore, $a = \frac{F_{n e t}}{m} = \frac{2}{2} = 1 m s^{- 2}$
$∴$ Acceleration of the object is $1 m s^{- 2}$

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