Answer to Question #324533 in Classical Mechanics for Naledi

Question #324533

A 75 kg man is riding an escalator in a shopping mall.The escalator moves the man at a constant velocity from ground floor level to the floor above,a vertical height of 4.60m.What is work done by a,the gravitational force and b,by the escalator


1
Expert's answer
2022-04-06T14:03:06-0400

Answer

work done by a,the gravitational force

"W =mgh\n\\\\=75*9.81*4.60\\\\=3,384.45 J"




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