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Q.

Is it true that the force required in accelerating a 3 kg mass at 5 m/s2 and 4 kg mass at 4 m/s2, will be greater for 3 kg mass at 5 m/s2?


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is false.
we know
Force = ma      For 3 kg  mass  force=3×5               =15 N  For 4 kg  mass  force=4×4                                       =16 N              The correct statement would be that the force will be greater for 4 kg mass at 4 m/s2.
 
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