Vraag 14 VFO 2018 This topic has 1 reply, 2 voices, and was last updated 4 years, 9 months ago by Dirk Geeroms. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 2020/02/03 at 13:19 #9058 Gill JacobsParticipant Vraag 14, gaande over arbeid en energie (en wrijving, natuurlijk) is best lastig. Hoe moet ik deze oplossen? Groetjes Gill 2020/02/06 at 15:54 #9068 Dirk GeeromsKeymaster In bijlage vind je de oplossing. Attachments:You must be logged in to view attached files. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In