What is the gravitational potential energy of a # 21 kg# object on a shelf # 5 m # high? Physics Work and Energy Energy 1 Answer sjc Jun 26, 2018 #1029J# Explanation: #GPE=mgh# #m=#mass #g=9.8ms^(-2)# #h=#height above the standard position here we ahve #m=21kg# #h=5m# #:. GPE=21xx9.8xx5# #GPE=1029J# 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 1548 views around the world You can reuse this answer Creative Commons License