A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if

Question:A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if

1. floor is smooth and the wall is rough

2.floor is rough and the wall is smooth

3.floor and wall both are smooth surfaces

4.floor and wall both are rough surfaces.


Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!