1.   Force sensors tell the robot if its owner is petting it gently or hitting it.

2.   It can also slow a roller coaster car in mid-lap by applying the brakes when sensors tell the computer that the train is speeding.

3.   Sensors tell Rothermel if he is spilling any grain as it is shorn from the cob.

4.   Sensors tell Dino how far each motor has rotated and the distance the robot has actually moved.

5.   Temperature sensors will tell how well the Martian soil conducts heat, giving clues to its composition.

6.   A moisture sensor tells you when the plant needs water.

7.   The air bags would deploy according to what various sensors told them.