- #1
almondb
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Homework Statement
To push a 29 kg crate up a frictionless incline, angled at 39° to the horizontal, a worker exerts a force of 321.9 N, parallel to the incline. As the crate slides 1.50 m, how much work is done on the crate by the worker's applied force?
How much work is done on the crate by the weight of the crate?
How much work is done on the crate by the normal force exerted by the incline on the crate?
What is the total work done on the crate?
I really don't know where to start on this. I tried breaking the gravity force into vectors but I'm not sure it that is right. Any suggestions on how to go about this?