To reduce friction in a trolley experiment, you could:

  1. add sandpaper
  2. push the trolley harder
  3. use heavier wheels only
  4. tilt the runway slightly to compensate for friction
Answer

D) tilt the runway slightly to compensate for friction

Friction-compensated slope. SLO P-11-N-27 · Understanding

Physics MCQ · More Experimental Skills and Data Analysis MCQs · Practise