Potential Energy When work is done on an object to change its position, this work is stored in the system (between particles that are bound by …
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The kinetic energy A person needs energy to do any work (work). For example, when a person pushes a swing, the chemical energy stored in his body i…
The work The physical meaning of work differs from its meaning in everyday life. Work in physics does not mean doing strenuous mental or physical w…
Importance of satellites A satellite is a tall tower that can be used to send and receive radio waves . Satellites can be divided into many types …