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  • A mass of 10 kg is there; How much force is required to push the block 100 m in a straight direction in a time interval of 10 secs?      <img alt="\left ( g=10ms^{-2} \righ

A mass of 10 kg is there; How much force is required to push the block 100 m in a straight direction in a time interval of 10 secs?      \left ( g=10ms^{-2} \right )

Option: 1

50N


Option: 2

100N


Option: 3

20N

 


Option: 4

200N


Answers (1)

best_answer

From the equation of motion, we can use 

S=ut+\frac{1}{2}at^{2}

\Rightarrow 100=0+\frac{1}{2}a*100

\Rightarrow a=2ms^{-2}

Now the force required is F=ma=10*2=20N

 

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