A body with mass and tied to a
long rope is rotated uniformly in a vertical plane at a speed of
. The rotating body is observed in three positions at angles
,
and
to the horizontal as shown in figure 1 below.
Draw the external forces on the body in position 1 and name them.
Calculate the tension force in the rope in all three positions.
Calculate and record in a table, the tension force in the rope when the body is at the positions at the multiple of angles from
to
.
Draw the graph of the tension force in the rope against the angle .