A body of mass 5 kg is moving with a velocity of 10 m/s. A force is applied to it so that in 25 seconds, it attains a velocity of 35 m/s. Calculate the value of the force applied.

 Here given, the mass of the body $m=5\ kg$

Initial velocity $v_1=10\ m/s$

Time $t=25\ s$

Final velocity $=35\ m/s$

Therefore, acceleration $a=\frac{v_2-v_1}{t}$

$=\frac{35\ m/s-10\ m/s}{35\ s}$

$=1\ m/s$

Therefore, the force $F=ma$

$=5\ kg\times 1\ m/s$

$=5\ N$

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Updated on: 10-Oct-2022

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