(a(i))[3]
Show that block A produces a moment of approximately 0.8 N cm about the pivot.
(a(ii))[3]
Calculate the distance $d$ from the pivot to the centre of block B.
(b)[3]
Calculate the mass of block B from this weight.
Physics 0625 · IGCSE · Forces
Forces — practice question
A student first supports a beam on a pivot, then places block A and block B on the beam until it is balanced, as shown in Fig. 3.1.