Intext example II — task. Science CBSE, Class 9.

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Which would require a greater force - accelerating a

$2\ kg$ mass at

$5\ m\ s^{–2}$ or a

$4\ kg$ mass at

$2\ m\ s^{-2}$ ?

From the Newton's second law, We know that,

$F\ =\ m \times a$
$F\ =\ \frac{m}{a}$

Force required by the 2 kg mass

$=$

$N$

Force required by the 4 kg mass

$=$

$N$

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