Question

Q: A roller of weight W is rolled over the wooden
block as shown in the given figure. The pull F
required to just cause the said motion is
F
30°
W
(a)
(b) W
2
(c) 3W
(d) 2W
[CSE: 1995]​

Answer 1

Sociology is the study of groups and group interactions, societies and social interactions, from small and personal groups to very large groups. A group of people who live in a defined geographic area, who interact with one another, and who share a common culture is what sociologists call a society.