Which of the following situations describes a case where no mechanical work is done and no energy is transferred?
A roller coaster car climbing a steep hill
A massive concrete block sitting stationary on a flat platform
A runner accelerating from rest along a track
A parachuted skydiver descending through the air at constant speed
67 exam-style questions on CIE IGCSE Physics 1.7.2 Work done. Each one has a worked solution and a mark scheme showing where the marks go.