The forces acting on an object of mass $2 k g$ are shown in the figure. If the body moves horizontally then find acceleration if force $P$ is $400 N$ .

50 m / s^{2}

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10 m / s^{2}

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350 m / s^{2}

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60 m / s^{2}

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Solution

The correct option is D $50 m / s^{2}$
Given,
$m = 2 k g$
From the given figure,
The net force is equal to the product of the mass of the object and its acceleration.
So, $400 N - 300 N = m a$
$100 = 2 a$
$a = \frac{100}{2} = 50 m / s^{2}$
The correct option is A.

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