Answer to Question #155500 in Physics for Chrissy

Question #155500

A 10 kg mass needs to be lifted onto a truck that is 1.5 m from the ground. A ramp, 10 m long, was used to get the mass onto the truck. What is the efficiency of the move?

Expert's answer

"E=mgh=(10)(9.8)(1.5)=150\\ J"

"\\eta=\\frac{E}{Fs}=\\frac{150}{10F}=\\frac{15}{F}"

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