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Work of friction
The forces of friction, which oppose displacement, also carry out work when a body is moving. The work of friction is converted into heat. The greater the force of friction, the more force must be exerted to move the body. Verify how friction affects the displacement of some blocks.
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Artificial satellites
The educational resource shows a visual about artificial satellites: they are indispensable nowadays. In this visual you can study the movement of an artificial satellite around the Earth.
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