(a)[1]
Complete the statement by inserting the missing words in the blank spaces. The moment of a force about a pivot is equal to ................ multiplied by ................
(b(i))[1]
State the name of the point at which the rod’s weight acts.
(b(ii))[1]
Calculate the rod’s mass.
(b(iii))[4]
With reference to Fig. 3.1, explain why.