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A force of 10 Newton acts on …

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A force of 10 Newton acts on a body of mass 2 kilogram for 3 seconds, initially at rest. The velocity acquired by the body will be??

  • 1 answers

Payal Singh 6 years, 11 months ago

Solution: 

Let initial velocity u = 0 

let final velocity v = ?

foce (f) = 10N

Mass of body m = 2Kg

Time t = 3s

Acceleration a = {tex}{v-u\over t } = {v-0\over 3} = {v\over 3}{/tex}

As we know

f = ma

=> {tex}10 = 2\times {v\over 3}{/tex}

=> v = 15m/s

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