12
QuizMultiple Choice
Simple Machines — Unit test
Question 12 • LHS Physical Science
The diagram shows a person using a piece of gym equipment to lift weights.
Answer
A
The knees are inclined planes, and the lower legs hold the loads. The ankles are the fulcrums.B
The lower legs are inclined planes, and the knees hold the loads. The ankles are the fulcrums.C
The lower legs are levers, and the knees are fulcrums. The ankles hold the loads.D
The knees are levers, and the lower legs are fulcrums. The ankles hold the loads.