Meaning of push down

1. You need to push down on the button to turn on the machine.
2. Make sure to push down firmly on the lid to secure it in place.
3. Use your foot to push down on the brake pedal to stop the car.
4. The teacher had to push down on the stack of papers to make them fit in the folder.
5. I had to push down on the lever to release the trap door.
6. You can push down on the handle to lock the door from the inside.
7. The doctor instructed the patient to push down on the injured leg to test for pain.
8. The child had to push down on the toy car to make it go faster.
9. Be careful not to push down too hard on the scale or you might break it.
10. The gymnast had to push down on the parallel bars to propel herself into the air.