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A force called centripetal force. Please check the related link to know more.
It had no seat belts and people fell out
Centripetal force is the force that keeps you in your seat in the rollercoaster. It is the force that pulls toward the center of a circle when anything is in curved motion.
Because your train is going down at a speed faster than gravity
centripetal force L2
When your body is traveling in a straight line it wants to continue going in a straight line, but the coaster car is not traveling in a straight line and it pulls you down. See related link.
When your body is traveling in a straight line it wants to continue going in a straight line, but the coaster car is not traveling in a straight line and it pulls you down. See related link.
Through a function of gravity called Centripetal force. It is the same force that tends to keep one grounded in their seat on a roller coaster when it loops.
Because a rollercoaster goes fast enough through a loop to have the posative g's to press you in your seat. However, even at a very slow speed, centrifugal force would keep you in your seat.
The most extreme roller coaster would be KINGDA KA, at Six Flags Great Adventure. It has a drop of 140m, the tallest drop in the world. Two other extreme coasters would be: * Top Thrill Dragster - a coaster like Kingda Ka but a shorter drop of 130m. It is located at Cedar Point. * Tower of Terror - located at Dreamworld, Australia, the coaster is launched 115m in the air before freefalling backwards. It is the tallest roller coaster in the southern hemisphere.
If there were any seat on a coaster that's any faster or slower than any other seat, then the car would have to come apart in pieces, to let a seat race ahead or lag behind the others.
Newton's first law of motion states that an object in motion tends to stay in motion. This is what keeps the roller coaster rolling through the hills and turns after it accelerates down the initial ramp. Also, the riders inside the car will experience changes in accleration and apparent weight. The riders will keep going at the same speed in the same direction unless some other force (the seat) acts on them to change that speed or direction. At the bottom of hills, they try to continue downward, and are pressed into the seat. At the tops, the riders are lifted up in their seats as they try to continue upward even as the seat pulls them down into the next drop. The same thing occurs on turns, where riders are pushed into the side of the seat as the coaster turns. (This is the reason for harnesses, seat belts, and restraining bars.)