Pushing a door open. Lifting a weight off the ground. Throwing a ball.
Legs
back
A forklift.
The distance the aircraft travels on the ground before lifting off, or the same when landing.
Physics.
Volley means to keep something off the ground. In volleyball the ball is not allowed to touch the ground. So essentially volleyball "keep the ball off the ground". I hope this helped. :)
The 'Lift' is legal when executed properly and only if it does not cause danger to the opposing player. lift's are usually used to push the ball or lift the ball over a players stick in order to beat the player and get passed them to gain ground or an advantage.
newton's third law
This is true
newton's second law
It contracts