In a simple force-controlled experiment, two curling stones A and B are made to slide over a sheet of ice. Initially, A and B are at rest on the start line. Then they are acted upon by identical and constant forces , which continually push A and B all the way to the finish line. Let
and
denote the momentum of A and B at the finish line, respectively, assuming that the forces
are the only nonnegligible forces acting in the plane of motion. If mA < mB, which of the following statements is true?
(a)
(b)
(c)
(d) There is not enough information given to make a comparison between and
Note:Concept problems are about explanations, not computations.
Figure P5.10
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