A student has four wooden blocks in the shapes of the capital letters H, M, X, and Y. The blocks have equal heights, thicknesses, and maximum widths. The student places the four blocks the right way up on a flat, level table. Which block is most likely to fall over when it is gently tapped?
letter H
letter M
letter X
letter Y
19 exam-style questions on CIE IGCSE Physics 1.5.3 Centre of gravity and stability. Each one has a worked solution and a mark scheme showing where the marks go.