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Q: What if the ribs pull upward and downward?
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What is upward pull?

ITS LIKE WHEN THERE IS A STICK STUCK DOWNWARD INTO THE GROUND AND YOU WANT TO TAKE IT OUT. YOU WILL PULL IT UPWARD. Sorry for capitalisation.. Hope this helped, :D


What happen when the downward pull of gravity on an object is equal to the upward force of water?

The object floats in the water.


When a rockets lifts off the ground the net force is in an upward direction Is the upward pushing force greater or lesser than the downward pull of gravity?

Greater


When a rocket lifts off the ground the net force is in upward direction. Is the upward pushing force greater or lesser than the downward pull of gravity.?

Greater


What is the practical use of a pulley that does not change the size of the input force?

It's easier to pull downward than upward.


How do muscle below your lungs and between your ribs help you inhale?

When you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. This increases the space in your chest cavity, into which your lungs expand.The intercostal muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.


How do your muscles below your lungs and between your ribs help you inhale?

When you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. This increases the space in your chest cavity, into which your lungs expand.The intercostal muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.


Is the wing being pushed upward or downward?

Upward


Is the upward pushing force greater or lesser than the downward pull of gravity?

The force on you, if you are stationary, exactly balances gravity.


A movie is made showing successive frames for an object accelerating downward. If the sequence is run backward would the object accelerate upward or downward?

UPWARD UPWARD UPWARD


What is the opposite of downward?

Upward.


How does the fore of gravity move things is it upward or downward?

downward