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The variable intensity of gravity

The educational resource shows a visual about the variable intensity of gravity: the intensity of gravity, g, is not a true constant, as it changes with altitude.

Free fall in air

The educational resource shows a visual about the free fall in air: when a body falls through a fluid such as air, its shape is important.

Free fall

The educational resource shows a visual about the free fall in vacuum: whatever their shape and mass, all bodies fall with the same speed in a vacuum.

Hydrostatic pressure II

Definition of hydrostatic pressure

Hydrostatic pressure I

Definition of hydrostatic pressure

Archimedes's principle

Archimedes' principle is a principle of physics that states that a body wholly or partially submerged in a static fluid, will be pushed with a vertical upward force equal to the weight of the volume o ...

Measuring g

The educational resource shows a visual about the measurement of g: a simple pendulum is sufficient to measure the intensity of the gravitational field g. Before beginning the experiment, invent some ...

Mass and weight

The educational resource shows a visual about the difference between mass and weight: mass is not the same as weight, although in ordinary life both words are used with the same meaning. In Physics, m ...

Pressure and depth

Concept of pressure and depth

Tides

The educational resource shows a visual about tides: the effect of the gravitational force of the moon and the sun on the earth can be seen in the tides.

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