An angiogram uses X-rays and a special dye (contrast) to take pictures of the arteries in your brain, heart, and kidneys. The dye is injected into a small tube or catheter into an artery in your groin or (sometimes) your arm.
As the cloud collapses the force of gravity drawing the cloud inward gradually becomes stronger because the strength of gravity follows an inverse square law with distance. hoâ¦pe that helps.
What is the force that causes the ocean tides? The tide-generating force is the interplay of gravity between the Earth, moon and sun along with the rotation of the Earth and other factors like the depth of the ocean and shape of the shoreline in various locations.