books &quot;fist-sized&quot; rock to other object of similar weight String Small board for inclined plane Ruler (optional) Heavier rubber band (optional) Procedure: Stack books Tie the sting around the rock Place the board on tabletop and top of stack of books Using the string, lift the rock from table top to the top of the stack of books (vertically) Pull rock up inclined plane from table top to the top of the books Note the difference of force applied Discussion: The discussion should center on the advantage of the ramp and the difference in the force required to move the rock (the ramp vs. lifting vertically).
(Stack books; Tie; the sting; around the rock) (The discussion; should center; on the advantage of the ramp and the difference in the force) (Stack books; lift; the rock; from table top; to the top of the stack of books; vertically) Pull rock up inclined plane from table top to the top of the books) (the force; required; )
Stack books The discussion Stack books the force
Tie should center lift required
the sting around the rock
on the advantage of the ramp and the difference in the force
the rock from table top to the top of the stack of books vertically) Pull rock up inclined plane from table top to the top of the books