The femur of a human leg (mass 10 kg, length 0.9 m) is in traction, as shown in the figure. The center of gravity of the leg is one-third of the distance from the pelvis to the bottom of the foot. Two objects, with masses m and m2, m, m, are hung at the ends of the leg using pulleys to provide upward support. A third object of 8 kg is hung to provide tension along the leg. The body provides tension as well. body Write a mathematical relationship relating mi to m2 in terms of m2 and numerical coefficients. 8 kg mj = m-m2

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The femur of a human leg (mass 10 kg, length 0.9 m) is in
traction, as shown in the figure. The center of gravity of the
leg is one-third of the distance from the pelvis to the
bottom of the foot. Two objects, with masses mj and m2,
m,
are hung at the ends of the leg using pulleys to provide
upward support. A third object of 8 kg is hung to provide
tension along the leg. The body provides tension as well.
body
Write a mathematical relationship relating mi to m2 in
terms of m2 and numerical coefficients.
8 kg
mj =
m- m2
Incorrect
Is the expression for m1 valid for more than one pair of
values of mj and m2?
yes
no
Incorrect
Suppose the tension force due to mj is now applied at the
leg's center of mass.
Write a new expression relating m, to m2 in terms of m2,
numerical coefficients, and given values. If you use a given
value in your equation, enter it as a number without units.
Transcribed Image Text:The femur of a human leg (mass 10 kg, length 0.9 m) is in traction, as shown in the figure. The center of gravity of the leg is one-third of the distance from the pelvis to the bottom of the foot. Two objects, with masses mj and m2, m, are hung at the ends of the leg using pulleys to provide upward support. A third object of 8 kg is hung to provide tension along the leg. The body provides tension as well. body Write a mathematical relationship relating mi to m2 in terms of m2 and numerical coefficients. 8 kg mj = m- m2 Incorrect Is the expression for m1 valid for more than one pair of values of mj and m2? yes no Incorrect Suppose the tension force due to mj is now applied at the leg's center of mass. Write a new expression relating m, to m2 in terms of m2, numerical coefficients, and given values. If you use a given value in your equation, enter it as a number without units.
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