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Five-minute GRE Physics concept check

Try three original mechanics questions and get an instant concept check, kept in your browser.

1. A 2 kg cart has 10 N applied right and 4 N friction left. What is its acceleration?
2. An object moves at constant velocity in a straight line. What must be true of its net force?
3. The same net force acts separately on masses m and 2m. How do their acceleration magnitudes compare?

Answer all three questions to check your work (0 of 3 selected).

Method and limitations

Method version: public-mini-check-v1. Inputs and results stay in this browser page; analytics receive the page view, not the values you enter or answers you select.

  • The three questions are original public records in the page bundle and have no protected-bank UUID.
  • Each checks one Newton's-second-law relationship and returns an authored explanation after all responses are selected.
  • The result stays in the browser and is not written to your practice attempts, study history, analytics, or a profile.
  • Three public items cannot diagnose mastery, forecast a score, or represent the full exam blueprint.

Sources

Last checked: 2026-08-05 · Sources checked by us; no outside expert has reviewed it

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