26.2. The author mentions all of the following as contributing to an understanding of the physics of dance EXCEPT:
the law of conservation of angular momentum
analyses of the way in which the bodys mass is distributed
equations of linear motion in three dimensions
analyses of the sources that produce rotational motions
the technical terms for movements such as leaps and turns
26.3.The author implies that dancers can become more skilled by doing which of the following?
Ignoring rotational movements
Understanding the forces that permit various movements
Solving simple linear equations
Learning the technical terms utilized by choreographers
Circumventing the law of conservation of angular momentum
26.4.Analysis of which of the following would require the kind of complex approach described in the last sentence?
A long leap across space
A short jump upward with a return to the same place
A sustained and controlled turn in place
Short, rapid steps forward and then backward without turning
Quick side steps in a diagonal line
答案:BEBC
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