A small rock is dropped from the top of a vertical cliff.
What can be said about the acceleration of the rock if air resistance is ignored?
It decreases as the rock falls.
It increases as the rock falls.
It remains constant as the rock falls.
It depends on the volume of the rock.
204 exam-style questions on CIE IGCSE Physics Motion, covering Motion. Each one has a worked solution and a mark scheme showing where the marks go.