4. Which simple machine makes up a pencil sharpener? (the one mounted on the wall) A) wheel and axle B) lawn tractor C) pulley D) inclined plane
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4. Which simple machine makes up a pencil sharpener? (the one mounted on the wall) A) wheel and axle B) lawn tractor C) pulley D) inclined plane
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Answer:
A) wheel and axle
Explanation:
sorry if wrong