Which of the following situations involves the Newton’s second law of motion?
$(a)$. a force can stop a lighter vehicle as well as a heavier vehicle which are moving
$(b)$. a force can accelerate a lighter vehicle more easily than a heavier vehicle which are moving
$(c)$. a force exerted by a lighter vehicle on collision with a heavier vehicle results in both the vehicles coming to a standstill
$(d)$. a force exerted by the escaping air from a balloon in the downward direction makes the balloon to go upwards

According to Newton's second law of motion $F=ma$

Here, $F\rightarrow$force

$m\rightarrow$mass of the object

$a\rightarrow$acceleration due to force

We can write the expression as $a=\frac{F}{m}$

This shows that $a\propto\frac{1}{m}$

So, acceleration is inversely proportional to the mass of the object.

Or it can be stated that the lighter the mass, the larger the acceleration. So,  a force can accelerate a lighter vehicle more easily than a heavier vehicle that is moving. 

Therefore, option (b) is correct.

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Updated on: 10-Oct-2022

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