Q4. Momentum of a body increases from 20kgm/s to 40kgm/s in 5 seconds,

1.	Q4. Momentum of a body increases from 20kgm/s to 40kgm/s in 5 seconds, then the forceapplied isA) 4 Nb)-4 Nc)12 Nd)-12 Nguys plzz ans me...
Answer» Answer Force is defined as CHANGE in MOMENTUM PER change in time $\rm :\to F=\dfrac{\Delta P}{\Delta t}\\\\\rm :\to F=\dfrac{40-20}{5}\\\\\rm :\to F=\dfrac{20}{5}\\\\:\to \rm F=4\ N$ So , option A is correct

Q4. Momentum of a body increases from 20kgm/s to 40kgm/s in 5 seconds, then the forceapplied isA) 4 Nb)-4 Nc)12 Nd)-12 Nguys plzz ans me...

Answer»

Answer

Force is defined as CHANGE in MOMENTUM PER change in time

$\rm :\to F=\dfrac{\Delta P}{\Delta t}\\\\\rm :\to F=\dfrac{40-20}{5}\\\\\rm :\to F=\dfrac{20}{5}\\\\:\to \rm F=4\ N$

So , option A is correct

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Q4. Momentum of a body increases from 20kgm/s to 40kgm/s in 5 seconds, then the forceapplied isA) 4 Nb)-4 Nc)12 Nd)-12 Nguys plzz ans me...​

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Q4. Momentum of a body increases from 20kgm/s to 40kgm/s in 5 seconds, then the forceapplied isA) 4 Nb)-4 Nc)12 Nd)-12 Nguys plzz ans me...