Physics is a big part of dancing. For example, when a dancer leaps or jumps, gravity pulls them down and when a dancer is suspended in air, the only force acting upon them is gravity. When a dancer is doing a combination across the floor, they are going to a certain direction and typically moving at a constant speed. Velocity also contributes to dance because when a dancer turns, the faster they go the more turns one can do and it improves their skill. When a dancer is at the barre and they releve or are in pointe shoes, they are pushing against the floor which means that the force of gravity is equal to the force into the floor, which allows a dancer to balance.