Ball on a string
A child swings a ball round on the end of a string so that it moves at a constant speed in a circle of radius 2m.
a) Ignoring air resistance what is the only horizontal force acting on the ball?
b) In what direction is this force?
c) What two equal and opposite vertical forces are acting on the ball?
d) The child swings the ball round faster.
What happens to:
i) The tension ii) The vertical component of the tension iii) The angle between the string and the horizontal