Question

in a human pyramid in a circus , the entire weight of the balanced roup is supported by the legs of a performer wo is lying on his back. the combined mass of all the persons performing the act, and the tables,palques etc involved is 280kg . the mass of the performer lying on his back at the bottom of the pyramid is 60kg. each thigh bone of this performer has a lenght of 50cm and effevtive radius of 2 cm . determine the amount by which each thigh bone gets compressed under the extra load.

Answer 1