Set up a pulley at the 240 degree mark with a 400g mass suspended from it, set pulleys at the 0 degree and 90 degree marks, and determine the masses to balance the single given force.
a) 200g at 0 degree, 200g at 90 degree
b) 200g at 0 degree, 200g at 270 degree
c) 200g at 90 degree, 200g at 180 degree
d) 200g at 90 degree, 200g at 270 degree