WAEC - Physics (2018 - No. 8)
A block is acted upon by TWO horizontal forces as illustrated in the diagram above. The block accelerates at 1.5\(ms^{-2}\). Calculate the mass of the block.
6kg
9kg
10kg
15kg
คำอธิบาย
Total force exerted on the block = (10 - 1)N =9N
Force = mass x acceleration
9 = m x 1.5
m = 9/1.5 = 6kg