Concept of conversion factors

Concept of attraction among masses

Buoyancy concept

Concept of data tables in a uniform movement

Decomposition of forces concept

Concept of barometer. The atmospheric pressure is measured with a device called a barometer.

Concept of attraction among masses

The educational resource shows a visual about the apparent gravity: the gravitational field intensity, g, is not the same everywhere on the surface of the earth. If the period of the rotation were different, g would also be different.

This visual represents the tracks left by two cars when they move at a constant speed.

Concept of calculating speed (II)