Robin pulls a rope attached to a sled with a force of 50 N. The rope makes a 30 degree angle with the ground, as shown below. What force will move the sled vertically upwards?
25 N
43.3 N
100 N
183.4 N

Question

Robin pulls a rope attached to a sled with a force of 50 N. The rope makes a 30 degree angle with the ground, as shown below. What force will move the sled vertically upwards? 
25 N
43.3 N
100 N 
183.4 N

anonymous · Answer

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johnweldon1993 · Answer

You need to find the y component....you do this by multiplying your magnitude by the sin of the angle....sin because it is asking for the vertical force...if it were horizontal...it would be cos...so

$$50\sin(30)$$ 

comes out to 25N

anonymous · Answer

Wow, I made that waaaaay more complicated than it needed to be. Thank you!

johnweldon1993 · Answer

lol yeah in physics its very easy to get off course and go somewhere unneeded haha

anonymous · Answer

Haha clearly