https://padlet.com/h_chapple/forces Year 11 GCSE Physics revision en-us 2018-01-24 19:51:27 UTC 2018-01-24 20:03:58 UTC hello@padlet.com h_chapple https://padlet.com/h_chapple/forces/wish/224422827 Two objects have to be touching for the force to be a contact force (e.g. push/pull). Two objects do not have to touch for the force to be a non-contact force (e.g. magnetism, gravity, electrostatic force)]]> 2018-01-24 20:01:41 UTC https://padlet.com/h_chapple/forces/wish/224422827