A tennis player hits a ball vertically upwards. After the ball leaves the racket, it is moving upwards. Air resistance is negligible.
How should the net force on the ball be described while it is moving upwards?
downwards and constant
downwards and decreasing
upwards and constant
upwards and decreasing
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.