Figure 12 shows a weighing balance on which a beaker containing some water is placed. The reading on the balance is 2.80 N. A metal block weighing 2.7 N is suspended from a spring balance.

      

Figure 12 shows a weighing balance on which a beaker containing some water is placed. The reading on the balance is 2.80 N. A metal block weighing 2.7 N is suspended from a spring balance.
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(i) State what is observed on the spring balance and the weighing balance, as the metal block is gradually lowered into the water.
(I) Observation on spring balance.
(II) Observation on weighing balance
(ii) Explain the observation made on the spring balance in (I).

  

Answers


John
(i) (I) The reading of the spring balance decreases

(II) The reading on the weighing balance increases

(ii) This is due to upthrust acting on the metal block placed in water.
johnmulu answered the question on June 5, 2017 at 08:23


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