O-LevelPhysicsForces5054/12 · Oct/Nov 2021 · Q41 Mark
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?
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AF + W = 0
BF – T = 0
CF – W – T = 0
DF – W + T = 0
✓ Correct answer
D: F – W + T = 0
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