A simple machine allows you to move ________ masses even though you apply ________.
A. larger; smaller force over a longer distance
B. smaller; potential energy deficits
C. stationary but not moving; many Newtons of force
D. smaller; kinetic energy spread over the entire path
Answer: A
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A. A B. B C. C D. D E. Zero F. AA G. BB H. CC I. DD
Current: When a current flows through an ionic liquid such as salty water, the moving charges are
A. only protons. B. only electrons. C. only negative ions. D. only positive ions. E. both positive and negative ions.
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Answer the following statement true (T) or false (F)
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What will be an ideal response?