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OpenStudy (anonymous):
Josie pulls a bookcase up a ramp to load it into a truck with a force of 54 N. The force moving the bookcase vertically upwards is 27 N as shown in the diagram. What is the angle of the ramp to the ground?
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OpenStudy (anonymous):
OpenStudy (anonymous):
use sine in here too sinx = 27/54 x = 30 N
OpenStudy (anonymous):
perfect thanks (:
OpenStudy (anonymous):
ur welcome
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