Practice Quiz

AP Physics B Practice Exam

Category - Introductory Physics

Start a Study Session Sign up for Question of the Day
Three different boxes are lifted to different heights.

Box X weighs 115 N and is lifted to 15 m.
Box Y weighs 210 N and is lifted to 10 m.
Box Z weighs 305 N and is lifted to 5 m.

Which of the following statements best describes the boxes’ change in mechanical energy?
  1. Box X had the greatest change in mechanical energy.
  2. Box Z had the smallest change in mechanical energy.
  3. Boxes X and Y had the same change in mechanical energy.
  4. Boxes Y and Z had the same change in mechanical energy.
Explanation
Answer: B - Box Z had the smallest change in mechanical energy.
Previous Next
Was this helpful? Upvote!
Login to contribute your own answer or details
Start a Study Session Sign up for Question of the Day

Top questions

Related questions

Most popular on PracticeQuiz