0
$\begingroup$

A $2.0 \space kg$ block, initially moving at $10.0 \space m/s$, slides $50.0 \space m$ across a sheet of ice before coming to rest. What is the magnitude of the average frictional force on the block?

I know the answer is 2.0 N.

  • 1
    This question seems ambiguous to me. Do you mean the average over time, or the average over distance? If you mean the former, then I don't think there's enough information to solve the problem. You might get a better insight if you ask on http://physics.stackexchange.com.2012-09-30

1 Answers 1