A small ball attached to a string is whirled in a horizontal circle at a constant speed. Which statement correctly describes the resultant force on the ball?
The resultant force is zero because the speed is constant.
The resultant force is directed outwards, away from the center of the circle.
The resultant force is directed inwards, towards the center of the circle.
The resultant force is in the direction of the ball's motion.
183 exam-style questions on CIE IGCSE Physics 1.5.1a Forces, resultant force and motion. Each one has a worked solution and a mark scheme showing where the marks go.