Question

Avinash can run with a speed of 8 metre per second against the frictional force of 10 Newton and Kapil can move the speed of 3M per second inverse differential cause of 25 person who is the more powerful and why

Answer 1

Avinash : 

v = 8 m/s 

f = 10 N 

Kapil 

v = 3 m/s 

f = 35 N 

Kapil is more power ful 

see as velocity is constant 

then acceleration will be zero 

And the external force will be zero and only frictional force will work and

which  is more on kapil so he is more strong