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Hi!
I am finding the work-energy principle and idea of total mechanical energy hard to apply to finding the work done against/by a particular force.
For example in the question below, why is there no work done against the weight of the skier acting down the slope?
Any help would be great!
Thanks
I am finding the work-energy principle and idea of total mechanical energy hard to apply to finding the work done against/by a particular force.
For example in the question below, why is there no work done against the weight of the skier acting down the slope?
Any help would be great!
Thanks
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