Simple Machine Practice Problems

Use the given values to find the missing ones.
NOTE: Because the values and sig-figs are randomly generated, some of the problems may have odd-looking solutions. Nevertheless, each set of numbers represents a situation which is physically possible.

Fr
(N)
Fe
(N)
dr
(m)
de
(m)
Wout
(J)
Win
(J)
IMA
MA
Eff



When you have filled in the missing values, click the "Check Your Answers"
button to see how well you did.
(If you're stuck, you can click the button below to see the answers.)

Click on the "New Problem" button below to get a new set of knowns and unknowns.