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practice examMultiple Choice

Practice Exam

Question 1 • Physical Science

Which best describes the body in terms of simple machines?

Answer
A
The knees are inclined planes, and the lower legs hold the loads. The ankles are the fulcrums.
B
The knees are levers, and the lower legs are fulcrums. The ankles hold the loads.
C
The lower legs are levers, and the knees are fulcrums. The ankles hold the loads.
D
The lower legs are inclined planes, and the knees hold the loads. The ankles are the fulcrums.
Which best describes the body in terms of simple…