Question

What force causes the periodic motion of a pendulum?

Answer 1

I think it's gravity

Answer 2

this should be posted in the science section ;) Go to find more subjects and choose science, this way, experts will help u, this is the feedback section and you are likely to not get answers welcome to open study <3

Answer 3

http://www.school-for-champions.com/science/periodic_motion.htm#.Vte3qHjMwUU try this link tho

Answer 4

ok thanks

Answer 5

no problem, plz close this question ;)