For mere details please refer to the HC VERMA part 1 -- newton laws of motion -- short answer type question

Stop reposted the same question over and over and over again... this is THREE times now... site rulles allow only ONE.

Besides this is YOUR homework... not OURS... we don't give free answers...

Reporting this to the mods to deal with.

Looks like the others have been deleted.

To the OP - this question gets at the fundamental understanding of forces that balance each other. What do you think the answer is, and why? Post back with your thoughts on this and we'll provide feedback.