Saved Bookmarks
| 1. |
(a) Define frictional force (or friction) (b) Explain why frictional force is said to be a contact force. (c) Explain why magnetic force is said to be a non-contact force. |
|
Answer» (a) Define frictional force (or friction) (b) Explain why frictional force is said to be a contact force. (c) Explain why magnetic force is said to be a non-contact force. |
|