Nothing here has reached your practice sets. Approve, edit or reject — or fix the page that caused it.
Generated questions land here when the verifier cannot back them with a source span. An empty queue means every question in your sets is source-backed.
Generate a setIn pure rolling, friction does no work on the body.
Two options defensible — statement is true for rigid bodies but the note does not restrict the case.
The moment of inertia of a solid sphere about a diameter is ______ MR².
Page 7 denominator is smudged; OCR read 2/5 at 0.61 confidence. Needs your correction.
A ballerina pulling her arms in increases her kinetic energy because angular momentum increases.
Explanation contradicts the source: L is constant, KE rises because work is done.
Torque is maximum when the force is applied parallel to the position vector.
Source states τ = rF sinθ, maximum at 90°. Generated explanation says otherwise.
The four above are the design’s worked examples of the four hold reasons: ambiguous, low source confidence, unsupported answer, explanation conflict.