engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Physics Laws of Motion Newton's Laws of Motion
A body of mass 2 kg travels according to the law x(t) = pt + qt2 + rt3 where p = 3 ms-1, q = 4 ms-2 and r = 5 ms-3,
The force acting on the body at t = 2 seconds is
1
136 N
2
134 N
3
158 N
4
68 N