Physics 101 Introduction to Mechanics 

March 11 Work Kinetic Energy Theorem  



Gravitational
Work
You want to load a box into the back of
a truck. One way is to lift it straight up through a height h, doing
work W_{1}. Alternatively, you can slide the box up a loading
ramp a distance L, doing work W_{2}. Assuming that the box
slides on the ramp without friction which of the following is correct W_{1}
< W_{2}, W_{1} = W_{2}, or W_{1} > W_{2}?
When working on problems & exercises using energy, follow the hints/ algorithm found on page 109.


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