If unit of length and force increased 4 times. The unit of energy
 

  • Option 1)

    is increased by 4 times
     

  • Option 2)

    is increased by 16 times
     

  • Option 3)

    is increased by 8 times
     

  • Option 4)

    remains unchanged        

 

Answers (1)

As we learnt in 

Work, Potential Energy, Kinetic Energy, Torque -

\dpi{100} ML^{2}T^{-2}

 

- wherein

N-mt/Joule

E= F.d

E' = 4F. 4d = 16 F.d 

    = 16 E

Increased by 16 times.


Option 1)

is increased by 4 times
 

Option is incorrect

Option 2)

is increased by 16 times
 

Option is correct

Option 3)

is increased by 8 times
 

Option is incorrect

Option 4)

remains unchanged        

Option is incorrect

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