A body of mass 5 kg moving with velocity 10m/s attains a velocity of 30m/s in 20 seconds, after applying the force. The amount of force appl

Question

A body of mass 5 kg moving with velocity 10m/s attains a velocity of 30m/s in 20 seconds, after applying the force. The amount of force applied will be:​

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niczorrrr 6 months 2021-07-16T20:43:07+00:00 1 Answers 17 views 0

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    2021-07-16T20:44:48+00:00

    Answer:

     \large{ \tt{❃ \: SOLUTION}} :

    • We’re provided – mass ( m ) = 5 kg , initial velocity ( u ) = 10 m / s , final velocity ( v ) = 30 m / s , Time taken ( t ) = 20 sec and we’re asked to find out the amount of force applied.
    • Here , we’ll use ‘ F = ma ‘ in order to find out the amount of force applied where ‘ F ‘ refers to Force applied , ‘ m’ refers to mass of the body and ‘ a ‘ refers to acceleration.
    • Since we aren’t provided the acceleration , we’re gonna use ‘ v – u / t ‘ where ‘ v ‘ refers to final velocity , ‘ u ‘ refers to initial velocity & ‘ t ‘ refers to time taken.

     \large{ \tt{✺ \: USING \: NEWTONS \: SECOND \: OF \: MOTION }}:

      \large{♡ \:  \boxed{  \: \tt{F = ma}}}

     \large{ \tt{⟶ \: F = m \times ( \frac{v - u}{t}) }}

     \large{ \tt{⟶ \: F = 5 \times ( \frac{30 - 10}{20}) }}

     \large{ \tt{⟶ \: F = 5 \times  \frac{20}{20} }}

     \large{ \tt{⟶ \:F = 5 \times   \frac{ \cancel{20}}{ \cancel{20}} }}

     \boxed{ \large{ \tt{⟶ \: F = \: 5 \: N}}}

    • Hence , the amount of force applied will be 5 Newton .

    Hope I helped! Let me know if you have any queries regarding my answer and also , Notify me if you need any other help ! 🙂

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