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A 2-kg box sits 0.3 m from the right end of a board of unknown weight. Two supports exert forces on the board (position is given in meters). You can drag the second support from the left to the right to view how that force changes with its position. The arrows represent the relative sizes of the force vectors for the movable support and the box, but their length does not represent their actual magnitudes (the actual value of the forces, as well as the separation between the supports, is shown in the table). The board is 6 m long and support 1 is 0.3 m in from the left edge. Determine the mass of the board. Restart.
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The complete version of Physlet Physics is available as a text with CD; Physlet Physics can be bundled with this Prentice Hall textbook.
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