Question

The force component along the displacement varies with the magnitude of the displacement, as shown in the graph. (a) 0 to 1.0 m,

Answer 1

Work is force*displacement if the force and displacement is parallel. 


a. You can average the force over the distance so W = Fave*d 

b The force part of that multiplication is zero. 

c. You can form the average force for the interval from 2 to 3 and find the work for that section and then consider the interval from 3 to 4, find the work and add the 2 work results.


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