Two bodies of masses 5kg and 15kg are located in the cartesian plane at (1,0) and (0,1). What is the location of their centre of mass?
Answer & explanation
Correct answer: option 4
Sum of masses = 5 + 15 = 20
x-coordinate : (5 x 1 + 15 x 0)/20 = 1/4
y-coordinate : (5 x 0 + 15 x 1)/20 = 3/4