Biology, 12.12.2020 16:30 veryrarecobain
A group of students wants to build a ramp to move boxes from the floor up to a stage. How can the students reduce the amount of effort needed to push the boxes up the ramp?
Question 8 options:
by making the ramp as long as possible
by making the ramp’s height and length equal
by building the ramp out of a lightweight material
by covering the ramp’s surface with a soft rubber mat
Answers: 1
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A group of students wants to build a ramp to move boxes from the floor up to a stage. How can the st...
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