Problem

The force vector Fpoints along the straight line from point A to point B. Use Equation. (2...

The force vector Fpoints along the straight line from point A to point B. Use Equation. (2.28)-(2.31) to prove that

rB×F=rA×F.

Strategy: Let rAB be the position vector from point A to point B. Express rB in terms of rA and rAB. Notice that the vectors rABand F are parallel.

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Solutions For Problems in Chapter 2

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