The physics of the "hardest" move in ballet

In what ballet do we see the hardest ballet move?

• Swan Lake

• Romeo and Juliet

• The Nutcracker

• Sleeping Beauty

What's the name of the "hardest" dance move discussed in the video?

• arabesque

• pirouette

• fouetté

• grand jeté

How many times does the ballerina perform the same move during their performance?

• 2

• 12

• 22

• 32

What reduces (decreases) the dancer's momentum? Choose ALL that apply

• friction with the floor

• torque

• friction with the air

• muscle movement

Turns are most effective if the dancer keeps their centre of gravity constant.

• True

• False

The dance move relies only on the movement of the dancer's legs.

• True

• False

What keeps the dancer in rotational (turning) motion?

• The extension and retraction of one leg

• The extension and retraction of both legs

• The twisting of the body

• The opening and closing of the arms

The longer the leg is extended, the more momentum it can generate

• True

• False

Bringing arms in close to the body causes them to rotate ____________.

• faster

• slower

• at a constant speed

The dance move is difficult because...

• It requires a great deal of stamina

• It requires a great deal of balance

• It requires constant movement