A child pulls on a rope attached to a sled with a force of 60 N. The
rope makes an angle of 40° to the ground. (a) Compute the
effective value of the pull tending to move the sled along the
ground. (b) Compute the force tending to lift the sled vertically.
a)
"F_x=F\\cos40\u00b0=46~N,"
b)
"F_y=F\\sin 40\u00b0=39~N."
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