4.
How much force is needed in going up a less steep incline?
a. less; longer
C. more; shorter
b. less; shorter
d. more; longer
5. A screw is a special kind of what simple machine?
a. lever
c. inclined plane
b. wedge
d. wheel and axle
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4.
How much force is needed in going up a less steep incline?
a. less; longer
C. more; shorter
b. less; shorter
d. more; longer
5. A screw is a special kind of what simple machine?
a. lever
c. inclined plane
b. wedge
d. wheel and axle
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Answer: 4. d. po 5. C .
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