What is the gravitational potential energy of a # 2 kg# object on a shelf # 1/2 m # high? Physics Work and Energy Energy 1 Answer Junaid Mirza Mar 13, 2018 #"9.8 Joule"# Explanation: Potential energy (#"U"#) is given by #"U = mgh"# #"U" = cancel(2)\ "kg × 9.8 m/s"^2 × 1/cancel(2)\ "m" = "9.8 Joule"# Answer link Related questions How do matter and energy interact? Question #50ca2 Question #242cf Question #5038d Question #50391 What is potential energy? Question #d6576 Question #50cae Question #50cb2 Question #50cb6 See all questions in Energy Impact of this question 1559 views around the world You can reuse this answer Creative Commons License