21 Force 31 2 k N produces a displacement of 21 4 ck m the

Last updated: 6/1/2023

21 Force 31 2 k N produces a displacement of 21 4 ck m the work done is 16 j then c a 1 b 2 c 1 d 2 22 Two forces 2i 2j 5k and 3i 5j 4k act together on a body and produces displacement of 18i 17j 7k the work done is a 64j b 8j c 16j d 32j