Question

a body of mass 50 kg when a force applied on body its velocity becomes 40m/s in 5 seconds after rest. Find the value of force.​

Answer 1

" refer the attachment "

hope it's helpful :)

Answer 2

Answer:

Explanation:Force =m

t

(v−u)

​

=m⋅a

Displacement =

2a

(v

2

−u

2

)

​

Word done (W) = Force × Displacement

=m⋅a⋅

2a

(v

2

−u

2

)

​

W =

2

1

​

m(v

2

−u

2

)

W =

2

1

​

×20×(2500−1600)

=

2

1

​

×20×900

=9000J