Greg pulls a rope attached to a sled with a force of 60 N. The rope makes an angle of 60° with the ground, as shown below

What force will move the sled vertically upwards?

42.92 N

51.96 N

30 N

20 N

Question

Greg pulls a rope attached to a sled with a force of 60 N. The rope makes an angle of 60° with the ground, as shown below

What force will move the sled vertically upwards? 

 42.92 N 

 51.96 N 

 30 N 

 20 N

anonymous · Answer

attachment

anonymous · Answer

I tried doing this.. but what i got wasn't an answer choice.

anonymous · Answer

All you have to do to work it out is use some trigonometry. Have you used SOH CAH TOA before?

anonymous · Answer

20 N i am sure

anonymous · Answer

|dw:1347308250941:dw|
The answer is:
$$y=60sin(60)=51.96N$$

anonymous · Answer

Okay, i redid it and that is what i got the second time. thanks! :D