Physics · Oct / Nov 2021 · Paper 12 · Question 4
5054Balanced and unbalanced forces
A solid object, immersed in water, hangs from an elastic thread. Three forces act on the object: its weight W, the tension in the thread T, and a force F from the water. The force F acts upwards. Which equation is correct when the object is stationary?
- AF + W = 0
- BF – T = 0
- CF – W – T = 0
- DF – W + T = 0
As printed in the paper
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Correct answer: D. F – W + T = 0
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