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(II) A 172-cm-tall person lies on a light (massless) board
Chapter 3, Problem 19P(choose chapter or problem)
(II) A -tall person lies on a light (massless) board which is supported by two scales, one under the top of her head and one beneath the bottom of her feet (Fig. ). The two scales read, respectively, and . What distance is the center of gravity of this person from the bottom of her feet?
Questions & Answers
QUESTION:
(II) A -tall person lies on a light (massless) board which is supported by two scales, one under the top of her head and one beneath the bottom of her feet (Fig. ). The two scales read, respectively, and . What distance is the center of gravity of this person from the bottom of her feet?
ANSWER:
Step 1 of 2
The person lying on the table exert forces on the table and table show reaction to the person. The readings of the scales show the reaction forces.
We will find the center of mass of the person.