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1. For the three force vectors indicated in the free body diagram (which is for

ID: 2097113 • Letter: 1

Question

1. For the three force vectors indicated in the free body diagram (which is for an object in equilibrium, fully submerged in water, and suspended by a string):

      (a) Can you tell which one of those three forces should be the strongest? If so, state which one should be strongest, and how you know. If it is impossible, without further information, to choose between two or three of these forces, state that, and explain why.


(b) Can you tell which one of those three forces should be the weakest? If so, state which one should be weakest, and how you know. If it is impossible, without further information, to choose between two or three of these forces, state that, and explain why.   


2. Why is the volume of the floating object (i.e. the measurement method 3A) notuseful to us in our analysis in Part II?

Explanation / Answer

1) here T + Fb = mg

so mg is the strongest force. nO its possible to choose between these 2 forces to find the strongest force


bHere either T or Fb is the weakest force. But it is Impossible to tell which one is weakes without furthuer information



2) question 2) is not clear. what is PART II here.

however the volume of floating object = volume displaced by water = mass of the water displaced/density of water


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