Question

momentum of a body changes from 80 kg m/s to 64kg m/s in 4 sec.which of the following statement is correct

(a) force acting on the body is +4N.
(b) force acting us -4N
(c) acceleration is +4m/s sq.
(d) acceleration is -4m/s sq.​

Answer 1

C part is the correct answer

Mark it as brainlist

Answer 2

Answer:

option a

Explanation:

force = mv-mu/t

so

64-80/4 = -4N