Beth, a construction worker, attempts to pull
a stake out of the ground by pulling on a rope
that is attached to the stake. The rope makes
an angle of 55.2
◦ with the horizontal.
If Beth exerts a force of 130.2 N on the
rope, what is the magnitude of the upward
component of the force acting on the stake?
Answer in units of N

Question

Beth, a construction worker, attempts to pull
a stake out of the ground by pulling on a rope
that is attached to the stake. The rope makes
an angle of 55.2
◦ with the horizontal.
If Beth exerts a force of 130.2 N on the
rope, what is the magnitude of the upward
component of the force acting on the stake?
Answer in units of N

agent0smith · Answer

|dw:1384911609850:dw|
it's a right triangle. can you find the vertical height? use sine.