Read the following statements to give the correct answer.
1.
| Assertion (A): | A ball rolling on a smooth floor eventually comes to rest. |
| Reason (R): | Friction always opposes motion and acts between surfaces in contact. |
2.
| Assertion (A): | A car moving on a wet road may skid while braking. |
| Reason (R): | Friction between the tires and road decreases on wet surfaces. |