Jake pulls a couch of mass 23 kg across his apartment. he pulls on the couch at an angle of 32 degrees. with a force of 120 n. the free-body diagram is shown below.
a. what is the x-component of his applied force?
b. what is the y-component of his applied force?
c. assuming the couch does not leave the ground, what is the normal force acting on the couch?

a) Simply calculate projection: F.Jake.x=120 cos(32)=101.77 N

b) Likewise: F.Jake.y=120 sin(32)=63.59 N

c) F.N - W + F.Jake.y = 0, so

F.N = W - F.Jake.y = mg - F.Jake.y = 161.81 N

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