Subject :NSO Class : Class 3
A force can be either a push or pull. Which of the following classifications has been
described INCORRECTLY?
| Action | Type of force | Effect | |
| A | Flicking an insect that is flying towards you | Push | The force sends the flying insect in the opposite direction. |
| B | Kicking a stationary pebble | Push | The force causes the pebble to roll away. |
| C | Closing a car door from outside | Pull | The force moves the door. |
| D | Stretching an elastic wristband | Pull | The force changes the shape of the wristband. |
Ans 1:
Class : Class 5
Option C. is described INCORRECTLY. Because here Type of force is Push not Pull, when the car door is closing from outside.