Tchan
PLEASE HELP! PLEASE
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.
Bookcase pulled along a ramp with a force of 54 Newtons and a vertical force of 27 Newtons.
What is the angle of the ramp to the ground?
17°
24°
30°
64°
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Tchan
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azaiah808
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Tchan
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what is that
azaiah808
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troll face
azaiah808
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problem? k thnx bai
EarthCitizen
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wth
Tchan
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haha i know right
Tchan
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i am not quite sure what to do here
EarthCitizen
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no p,\[F=mgsin \theta\] like before since it's on an inclined plane
Tchan
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ha that means? haha can you show the steps?
EarthCitizen
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\[54\sin \theta = 27\]
EarthCitizen
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\[\sin \theta =27/54 =0.5\]
\[\theta = \sin^{-1} 0.5 = 30^{o}\]
Tchan
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okay i think i got it thanks
EarthCitizen
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no p, God bless