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PINAR YILDIRIM.  Have you ever noticed how easy it is to do a push-up to lift yourself up and out of a swimming pool?

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Presentation on theme: "PINAR YILDIRIM.  Have you ever noticed how easy it is to do a push-up to lift yourself up and out of a swimming pool?"— Presentation transcript:

1 PINAR YILDIRIM

2

3  Have you ever noticed how easy it is to do a push-up to lift yourself up and out of a swimming pool?

4  It’s much easier than doing push-ups on land. That’s because the water is exerting an upward force on you.  We can explain with Archimedes’ principle.

5  states that the buoyant force experienced by a submerged object is equal to the weight of the liquid displaced by the object.buoyant force Fb = Wair- Wliquid = d.g.v

6  DENSITY is the MASS of an object divided by its VOLUME. The formula is:  DENSITY = WEIGHT / VOLUME.

7  1. how do ships swim on the sea, ocean..etc? Is it related to density?

8  Each group find an example which substance can swim on the water?  For example, oil and water.

9 Experiment time.

10  Quiz Time

11

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