Question

the forces act on a body of 5Kg and chaning is velocity form 8m/s to 12m/s in 4s then magnitude of forces is

Answer 1

Answer:

According to Newton's second law of motion,

Force = Rate of change in momentum

F =

m

(

v

−

u

)

t

=

5

(

12

−

8

)

4

= 5 N