In case of a simple pendulum, the cause of damping is__________________?A. Drag force of airB. GravityC. Tension in the stringD. None of these 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments