Aman is dragging a
trunk up the loading ramp of a
mover's truck. the rarnp has a
slope angle of 20.0", and rhe rnan
pu lls upward with a lbrcc f
whose direction makes an
angle of 30 0' with the ramp
(fig. la. ). (a) how large a
force f is necessary for the
component f, palallel to the
rarnp [o bc 90.0 n? (b) how
figure "l
li"*i
large will the component f,. pelpendicular to the ramp be therr?