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Chapter 1

Oppgavel

The figure shows three weights hanging from two pulleys. You choose values for the mass yourself,

the starting position of the masses and the distance between the pulleys. Ignore friction and air

resistance. Is it possible to make all the solders hang still? If so, what is the position of the weights

when all are at rest. What happens if you change the mass of the plumb bob in the middle? Draw

free-body diagrams for all the weights and use Newton's laws to analyze the problem.1.1

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Figure 1.1:

svar: answer the last is 0,5 use draw and newtons low 2

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Fig: 1