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
Answer
work done by a,the gravitational force
"W =mgh\n\\\\=75*9.81*4.60\\\\=3,384.45 J"
Comments
Leave a comment