A net force acts on a moving sponge ball.
Which of these changes cannot happen to the sponge ball as a result of this force?
a change in its speed
a change in its direction of motion
a change in its shape
a change in its mass
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.