MCAS Physics Exam Practice

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?

Box X had the greatest change in mechanical energy.
Box Z had the smallest change in mechanical energy.
Boxes X and Y had the same change in mechanical energy.
Boxes Y and Z had the same change in mechanical energy.

Explanation

Answer: B - Box Z had the smallest change in mechanical energy.

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